US20090056241A1 - Moisture management systems and methods for building openings - Google Patents
Moisture management systems and methods for building openings Download PDFInfo
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- US20090056241A1 US20090056241A1 US11/846,487 US84648707A US2009056241A1 US 20090056241 A1 US20090056241 A1 US 20090056241A1 US 84648707 A US84648707 A US 84648707A US 2009056241 A1 US2009056241 A1 US 2009056241A1
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- Prior art keywords
- exterior
- building wall
- corner
- window
- base section
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
- E06B2001/628—Separate flexible joint covering strips; Flashings
Definitions
- the invention relates to moisture management systems for building openings in walls or the like. Particular embodiments provide moisture management systems for window openings.
- Openings in building walls are particularly problematic regions in which moisture tends to accumulate. Openings in building walls also tend to provide regions where moisture can enter an interior of building wall and/or can move from the interior of a building to the exterior of a building or vice versa.
- aspects of the present invention provide apparatus and methods for managing moisture in a vicinity of an opening in a building wall.
- the apparatus comprises a sill pan and a lower vent for managing moisture in a vicinity of a lower perimeter of the opening.
- the sill pan is mountable in the building wall atop a horizontally-extending lower frame member of the opening.
- The comprises a base section having an upper surface which slopes downwardly and outwardly from interior to a sheathing layer of the building wall to an interstitial space between the sheathing layer and an external building wall layer for directing moisture received thereon toward the interstitial space.
- the lower vent is mountable in the building wall in a vicinity of the lower perimeter of the window opening.
- the lower vent comprises: a vent component which defines a plurality of lower vent apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from above the lower vent apertures and from interior to the exterior building wall layer to the exterior of the building wall.
- the apparatus comprises a pair of corner components and a connector component.
- Each corner component comprises: a corner base section mountable atop a horizontally-extending lower frame member of the opening and having an upper surface which slopes downwardly and outwardly from interior of a sheathing layer of the building wall to an interstitial space between the sheathing layer and an external building wall layer for directing moisture received thereon toward the interstitial space; a plurality of transversely spaced-apart corner window support members having upper surfaces located above the upper surface of the corner base section and oriented substantially horizontally for receiving a lower portion of a window frame; a corner exterior flange extending downwardly from the corner base section and abutting against an exterior surface of sheathing layer; and a plurality of transversely spaced-apart corner spacers having exterior surfaces that are located exterior to an exterior surface of the corner exterior flange and wherein at least a portion of the window frame
- the connector component connects the corner components to one another and comprises a connector base section and a pair of wings that extend from the connector base section in transversely opposing directions to form snap-together couplings between a corresponding one of the wings and one or more notches on each of the corner components.
- Another aspect of the invention provides a method for managing moisture in a vicinity of a window opening of a building wall.
- the method comprises: creating an interstitial space between a sheathing layer of the building wall and an external building wall layer; mounting a sill pan in the building wall atop a horizontally-extending lower frame member of the window opening, the sill pan comprising: a base section having an upper surface which slopes downwardly and outwardly from a location interior to the sheathing layer to the interstitial space for directing moisture received thereon toward the interstitial space; and a plurality of transversely spaced-apart window-support members having substantially horizontally oriented upper surfaces located above the upper surface of the base section; installing a window in the window opening such that at least part of a lower portion of the window frame is positioned atop the upper surfaces of the window-support members; mounting a lower vent in the building wall in a vicinity of a lower perimeter of the window opening, the lower vent comprising: a vent component which defines a plurality of lower
- FIG. 1 is a partially cut-away, exterior isometric view of a sill pan assembly of a moisture management system according to a particular embodiment of the invention disposed in an opening of a building wall;
- FIGS. 2A , 2 B and 2 C are isometric views of a left corner component, a right corner component and a connector component of the FIG. 1 sill pan assembly;
- FIGS. 3A and 3B are partially cut-away, interior isometric views of the FIG. 1 sill pan disposed in a window opening of a building wall;
- FIG. 4 is a partially cut-away, exterior isometric view of the FIG. 1 sill pan assembly without the connector component;
- FIG. 5 is an isometric view of a lower vent assembly of a moisture management system according to a particular embodiment of the invention disposed adjacent to the lower perimeter of an opening in a building wall;
- FIGS. 6A-6C are isometric views of the various components of the FIG. 5 lower vent assembly
- FIG. 7 is a cross-sectional view showing portions of the FIG. 5 lower vent assembly and the FIG. 1 sill pan assembly installed in a building wall;
- FIGS. 8A-8J are isometric views which show a method for installing the FIG. 1 sill pan assembly, the FIG. 5 lower vent assembly and the FIG. 9 upper vent assembly into a building wall around an opening thereof;
- FIG. 9 is a partially cut-away view of an upper vent assembly of a moisture management system according to a particular embodiment of the invention installed adjacent to the upper perimeter of an opening in a building wall;
- FIGS. 10A , 10 B and 10 C are isometric views of the various components of the FIG. 9 upper vent assembly.
- FIG. 11 is a cross-sectional view showing portions of the FIG. 9 upper vent assembly installed in a building wall.
- aspects of the invention provide moisture management apparatus and methods for draining and/or venting moisture away from window openings.
- Particular aspect of the invention combine: a sill pan assembly which protects a window sill by draining moisture away from the window sill toward an interstitial space between the sheathing layer and the external layer of a building wall; a lower vent assembly for providing fluid communication between the exterior of a building wall and the interstitial space below the window; and an upper vent assembly for providing fluid communication between the exterior of the building wall and the interstitial space above the window.
- FIGS. 1-11 depict various components of a moisture management system 100 according to a particular embodiment of the invention.
- Moisture management system 100 comprises a sill pan assembly 10 ( FIG. 1 ) which, in the illustrated embodiment, is disposed on a horizontally-extending lower interior frame member 102 of building opening 104 .
- building opening 104 is a window opening, although the invention may generally be used in connection with any building opening.
- window opening 104 is formed in a building wall 106 .
- Horizontally-extending lower interior frame member 102 is often referred to as window “sill” 102 .
- sill pan assembly 10 comprises a left corner component 11 A ( FIG. 2A ) and a right corner component 11 B ( FIG. 2B ) which are coupled together by a connector component 30 ( FIG. 2C ).
- corner components 11 A, 11 B (together, corner components 11 ) and connector component 30 are fabricated from plastic or some other moisture-resistant material. Corner components 11 and connector component 30 may be fabricated by an injection molding process, for example.
- Left and right corner components 11 A, 11 B are mirror images of one another. As shown in FIGS. 2A and 2B , left and right corner components 11 A, 11 B respectively comprise: downwardly-extending exterior flanges 12 A, 12 B (together downwardly-extending exterior flanges 12 ); upwardly-extending exterior flanges 13 A, 13 B (together upwardly-extending exterior flanges 13 ); base sections 14 A, 14 B (together, base sections 14 ); and side flanges 15 A, 15 B (together side flanges 15 ).
- directions may be referred to as: “external”, “outward” or the like if they tend toward the exterior 108 of building wall 106 ; “internal”, “inward” or the like if they tend toward the interior 110 of building wall 106 ; “upward” or the like if they tend toward the top (not explicitly enumerated) of building wall 106 ; “downward” or the like if they tend toward the bottom (not explicitly enumerated) of building wall 106 ; “vertical” or the like if they tend both upwardly and downwardly; “leftward” or the like if they tend toward one side of building wall 106 ; “rightward” or the like if they tend toward the opposing side of building wall 106 ; and “sideways”, “transverse” or the like if they tend both leftward and right
- Sill pan assembly 10 may be installed in window opening 104 of wall 106 by positioning corner components 11 on sill 102 such that side flanges 15 abut against left and right vertically-extending interior frame members 112 A, 112 B (together vertically-extending interior frame members 112 ) of wall 106 ( FIG. 3B ).
- the exterior surfaces of frame members 112 may be covered by a sheathing layer 120 as discussed in more detail below.
- Sheathing layer 120 may comprise plywood, building paper (e.g. TyvekTM or the like), other building wrap material(s), other moisture barrier material(s) and/or the like.
- upwardly-extending exterior flanges 13 and/or side flanges 15 may abut against the sheathing material.
- sheathing layer 120 may not be present or may not cover the exterior surfaces of frame members 112 .
- upwardly-extending exterior flanges 13 may abut directly against the exterior surfaces of frame members 112 .
- upwardly-extending exterior flanges 13 comprise channels 16 A, 16 B (together, channels 16 — FIGS. 2A , 2 B) through which suitable fasteners (e.g. nails, screw or the like (not explicitly shown)) may project to fasten corner components 11 to vertically-extending interior frame members 112 .
- Channels 16 may permit shape changes and/or movement of corner components 11 and/or wall 106 (e.g. due to aging, temperature changes, drying of the wooden frame or the like).
- similar channels may be provided on side flanges 15 .
- Channels 16 are not necessary.
- suitable fasteners e.g. nails, screws, staples or the like
- fasteners are not required and suitable adhesive may be used to mount corner components 11 to wall 106 .
- corner components 11 comprise wedge-shaped legs 19 A, 19 B (together, legs 19 ) which, when corner components 11 are installed, extend downwardly from base sections 14 provide space between undersurfaces 21 A, 21 B (together, undersurfaces 21 ) of base sections 14 and sill 102 .
- This space between undersurfaces 21 and sill 102 permits moisture to escape from sill 102 (e.g. natural moisture which may be contained in sill 102 when it is made of wood).
- Base sections 14 are integrally formed with side flanges 15 and with upwardly-extending exterior flanges 13 to prevent moisture seepage in the lower corners of window opening 104 which may result from any joints therebetween.
- side flanges 15 comprise lower edges 23 A, 23 B (together, lower edges 23 ) which extend below base sections 14 and which have a shape similar to that of legs 19 .
- upper surfaces 17 A, 17 B (together, upper surfaces 17 ) of base sections 14 slope downwardly and outwardly to direct moisture received thereon away from interior 110 of building wall 106 .
- upper surfaces 17 also comprise optional transversely and vertically-extending steps 18 A, 18 B (together, steps 18 — FIGS. 2A , 2 B) which further prevent moisture received on an external side of steps 18 from moving toward an interior side of steps 18 .
- Base sections 14 also comprise pluralities of transversely spaced apart window-support members 20 A, 20 B (collectively, window-support members 20 ) which extend inwardly/outwardly and vertically from upper surfaces 17 .
- Window-support members 20 comprise upper surfaces 22 A, 22 B (collectively, upper surfaces 22 — FIGS. 2A , 2 B). At least portions of upper surfaces 22 are shaped to be oriented generally parallel to sill 102 (e.g. horizontal in the illustrated drawings).
- Upper surfaces 22 may also comprise notches 24 A, 24 B (collectively, notches 24 — FIGS. 2A , 2 B).
- upper surfaces 22 of window-support members 20 receive a lower window frame portion 101 C and ensure that window 107 is resting on a substantially level (e.g. horizontal) surface.
- Downwardly-extending exterior flanges 12 extend downwardly from base sections 14 .
- downwardly-extending exterior flanges 12 are integrally formed with base sections 14 to prevent moisture seepage in the lower portion of window opening 104 which may result from any joints therebetween.
- Downwardly-extending exterior flanges 12 may abut against window sill 102 and optionally may extend leftwardly/rightwardly to abut against vertically-extending interior frame members 112 . In applications where sill 102 and/or frame members 112 are covered by sheathing layer 120 , downwardly-extending exterior flanges 12 may abut against the sheathing material.
- the exterior surface of downwardly-extending exterior flanges 12 comprise a plurality of transversely spaced apart spacers 26 A, 26 B (collectively, spacers 26 — FIGS. 2A , 2 B) which extend outwardly and vertically therefrom.
- spacers 26 are the same as that of window-support members 20 , although this is not necessary.
- Spacers 26 may extend upwardly to meet window-support members 20 at the junction between base sections 14 and downwardly-extending exterior flanges 12 .
- Corner components 11 may be fabricated in a number of standard sizes. During installation in window opening 104 , corner components 11 may be cut to appropriate lengths ( FIG. 4 ) such that after installation of corner components, a space 28 is provided therebetween. Connector component 30 ( FIG. 1C ) may then be used to couple corner components 11 to one another. Connector component 30 incorporates leftwardly and rightwardly extending wing members 31 A, 31 B (together, wing members 31 ). Each of left and right wing members 31 A, 31 B are respectively sized to matingly fit within notches 24 in window-support members 20 of left and right corner components 11 A, 11 B. In the illustrated embodiment, each of window-support members 20 comprises a corresponding notch 24 . This is not necessary. In some embodiments, only a subset of window-support members 20 closest to the center of window opening 104 are provided with notches 24 , so that corner components 11 can be cut to length and may still be coupled to one another by connector component 30 .
- wing members 31 fit into notches 24 via “snap-together” coupling.
- Such snap-together coupling may involve deformation of wing members 31 and/or notches 24 .
- the surfaces of wing members 31 and/or notches 24 may be provided with suitable surface features (e.g. protrusions and/or indents) and/or with suitable shapes (e.g. angled profiles) which facilitate snap-together coupling.
- Connector component 30 comprises a base section 32 which sits atop window sill 102 .
- base section 32 comprises a wedge-shaped leg 33 ( FIG. 3 ) which may fit in space 28 to abut against window sill 102 , such that when connector component 30 is coupled to corner components 11 , an upper surface 34 of base section 32 slopes downwardly and outwardly to direct moisture received thereon away from interior 110 of building wall 106 .
- upper surface 34 also comprises optional transversely and vertically-extending step 36 ( FIG. 2C ) which further prevents moisture received on an external side of step 36 from moving toward an interior side of steps 36 .
- Connector component 30 may also incorporate one or more window-support members 38 ( FIG. 2C ) which extend inwardly/outwardly and vertically from upper surface 34 .
- Window-support members 38 comprise upper surfaces 40 ( FIG. 2C ). At least portions of upper surfaces 40 are shaped to be oriented generally parallel to sill 102 (e.g. horizontal in the illustrated drawings).
- window-support members 38 are shaped such that, when connector component 30 is used to coupled corner components 11 to one another, these generally parallel portions of upper surfaces 40 are coplanar with the corresponding generally parallel portions of upper surfaces 22 of window-support members 20 .
- wings 31 are shaped such that when wings 31 are coupled to corner components 11 , the upper surfaces 42 A, 42 B (together, upper surfaces 42 — FIG. 2C ) of wings 31 are substantially coplanar with the generally parallel portions of the upper surfaces 22 , 40 of window-support members 20 , 38 .
- Connector component 30 also comprises a downwardly-extending exterior flange 44 which extends downwardly from base section 32 .
- downwardly-extending exterior flange 44 is integrally formed with base section 32 to prevent moisture seepage in the lower portion of window opening 104 which may result from any joints therebetween.
- Downwardly-extending exterior flange 44 may be shaped to provide an interior portion (not explicitly shown in the illustrated views) which abuts against window sill 102 in the region of space 28 . In applications where the exterior side of sill 102 is covered by sheathing layer 120 , then the interior portion of downwardly-extending exterior flange 44 may abut against the sheathing material.
- Downwardly-extending exterior flange 44 may be shaped such that, when connector component 30 couples corner components 11 , an exterior surface 46 of downwardly-extending exterior flange 44 is substantially coplanar with the exterior surfaces of spacers 26 .
- Moisture management system 100 may also comprise a lower vent assembly.
- FIG. 5 shows a lower vent assembly 50 according to a particular embodiment of the invention disposed adjacent a lower perimeter of opening 104 in building wall 106 .
- FIGS. 6A-6C depict the various components of a lower vent assembly 50 according to a particular embodiment of the invention.
- FIG. 7 is a cross-sectional view showing portions of lower vent assembly 50 and sill pan assembly 10 .
- lower vent assembly 50 comprises a vent component 52 which extends transversely between optional left and right side components 54 A, 54 B (together, side components 54 ).
- vent component 52 and side components 54 are fabricated from plastic or some other moisture-resistant material. Vent component 52 and side components 54 may be fabricated by an injection molding process, for example.
- Vent component 52 is preferably a single monolithic component which extends transversely between side components 54 .
- Vent component 52 comprises a hood 63 .
- hood 63 incorporates an upper hood portion 56 and an external hood portion 60 .
- Upper hood portion 56 extends transversely between side components 54 .
- an interior edge 58 of upper hood portion 56 abuts against lower window flange 103 C of lower window frame 101 C.
- lower window flange 103 C of lower window frame 101 C may extend downwardly between interior edge 58 of upper hood portion 56 and the exterior surfaces of spacers 26 .
- upper hood portion 56 extends outwardly and optionally downwardly from interior edge 58 to direct moisture received thereon away from interior 110 of building wall 106 .
- hood 63 of vent component 52 also comprises an external hood portion 60 which extends transversely between side components 54 .
- external hood portion 60 extends downwardly and optionally outwardly from upper hood portion 56 to direct moisture received thereon away from interior 110 of building wall 106 .
- upper hood portion 56 and external hood portion 60 both extend downwardly and outwardly, external hood portion 60 extends more sharply downwardly than upper hood portion 56 .
- hood 63 may be shaped and/or located such that a lower-outward edge 65 of hood 63 (i.e.
- a lower-outward edge of external hood portion 60 is located further outwardly than external wall layer 118 (e.g. siding or the like).
- upper hood portion 56 may extend outwardly to a location outward of external wall layer 118 , such that all of external hood portion 60 is located outwardly of external wall layer 118 .
- Lower-outward edge 65 of hood 63 may also be located below venting apertures 72 discussed further below.
- Hood 63 tends to direct moisture, such as from rain or snow, toward exterior 108 of building wall 106 and to prevent such moisture from entering interstitial space 116 between external wall layer 118 and sheathing layer 120 of building wall 106 as explained in more detail below.
- Hood 63 may also comprise an optional drip flange 62 .
- drip flange 62 extends transversely between side components 54 at a lowermost end of external hood portion 60 .
- Drip flange 62 also extends downwardly and outwardly.
- external hood portion 60 extends more sharply downwardly than drip flange 62 and drip flange 62 extends more sharply downwardly than upper hood portion 56 .
- Vent component 52 also comprises a vent flange 64 which depends downwardly from upper hood portion 56 at a location spaced outwardly from interior edge 58 and which extends transversely between side components 54 .
- Vent flange 64 comprises a plurality of apertures 72 which provide fluid communication (e.g. air flow) between interstitial space 116 and exterior 108 of building wall 106 , as explained in more detail below.
- vent flange 64 comprises an upper venting portion 68 and a lower mounting portion 66 .
- at least a portion of upper venting portion 68 is preferably located below window sill 102 and above the uppermost extent of external wall layer 118 (e.g. siding) below window opening 104 . With this position of lower vent assembly 50 , at least some of apertures 72 in upper venting portion 68 are located to provide fluid communication between interstitial space 116 and exterior 108 of wall 106 .
- Lower mounting portion 66 extends further downwardly from upper venting portion 68 .
- Lower mounting portion 66 may extend downwardly on an interior of an uppermost portion of external wall layer 118 below window opening 104 .
- Lower mounting portion 66 may comprise apertures 74 through which suitable fasteners (e.g. nails, screw or the like (not explicitly shown)) may project to fasten vent component 52 to an exterior lower frame member 134 B or to external wall layer 118 .
- Apertures 74 are not necessary.
- suitable fasteners e.g. nails, screws, staples or the like
- fasteners are not required and suitable adhesive or the like may be used between lower mounting portion 66 and exterior lower frame member 134 B or external wall layer 118 .
- Vent flange 64 may comprise an optional offset step 70 between lower mounting portion 66 and upper venting portion 68 such that lower mounting portion 66 is located inwardly from upper venting portion 68 .
- Optional offset step 70 may help to maintain the width of interstitial space 116 in the region of sill pan assembly 10 , such that air flow through apertures 72 into and out of interstitial space 116 is not restricted in this region.
- offset step 70 may also allow upper venting portion 68 to be located outwardly of the interior surface of external building layer 118 .
- Lower vent assembly 50 also comprises optional side components 54 .
- Side components 54 comprise mounting flanges 76 A, 76 B (together, mounting flanges 76 ) which may be installed to abut against exterior vertically-extending frame members 122 , as explained in more detail below.
- Projections 77 A, 77 B (together, projections 77 ) and projections 79 A, 79 B (together, projections 79 ) project sideways from mounting flanges 76 toward the center of window opening 104 .
- projections 77 provide channels 78 A, 78 B (together, channels 78 ) which may respectively receive the left and right ends of hood 63 of vent component 52 .
- vent component 52 which has a uniform cross-section, may be provided in standard lengths and then cut to an appropriate size for fitting between side components 54 in wall 106 .
- Moisture management system 100 may also comprise an upper vent assembly.
- FIGS. 9 and 11 shows an upper vent assembly 200 according to a particular embodiment of the invention disposed adjacent to an upper perimeter of opening 104 in building wall 106 .
- FIGS. 10A , 10 B and 10 C show the various components of upper vent assembly 200 .
- Upper vent assembly 200 comprises a vent component 202 which extends transversely between a pair of optional side components 216 A, 216 B (together, side components 216 ).
- vent component 202 and side components 216 are fabricated from plastic or some other moisture-resistant material. Vent component 202 and side components 216 may be fabricated by an injection molding process, for example.
- Upper vent assembly 200 may be installed above window opening 104 for draining moisture away from the top of window opening 104 and for venting interstitial space 116 above window opening 104 .
- Vent component 202 which is preferably fabricated from a single monolithic piece of material, comprises hood 203 , mounting flange 205 and vent portion 211 which extend transversely between side components 216 to provide a substantially uniform cross-section.
- hood 203 extends outwardly and downwardly to direct moisture received thereon toward an exterior 108 of building wall 106 .
- Hood 203 protects against the possibility of moisture, such as from rain or snow, entering building wall 106 at the top of window opening 104 .
- Hood 203 may be shaped and/or located such that a lower-outward edge 207 of hood 203 ( FIG. 9 ) is located further outwardly than external wall layer 118 .
- hood 203 comprises a upper hood potion 204 and optional drip flange 206 .
- Upper hood portion 204 extends outwardly and optionally downwardly while drip flange 206 extends downwardly and optionally outwardly.
- drip flange 206 extends more sharply downwardly than upper hood portion 204 .
- mounting flange 205 comprises an upper flange portion 226 and a lower flange portion 208 , both of which extend vertically and transversely between side components 216 .
- mounting flange 205 comprises a step 212 ( FIG. 10B ) for offsetting lower flange portion 208 outwardly from upper flange portion 226 .
- Step 212 allows extra space for window flange 103 A of upper window frame 101 A to be located inwardly of lower flange portion 208 ( FIG. 11 ). Step 212 is not required.
- upper flange portion 226 and lower flange portion 208 may be substantially coplanar.
- Upper flange portion 226 may comprise apertures 214 through which suitable fasteners (e.g. nails, screw or the like (not explicitly shown)) may project to fasten vent component 202 to sheathing layer 120 as explained in more detail below. Apertures 214 are not necessary. In some embodiments, suitable fasteners (e.g. nails, screws, staples or the like) may project directly through upper flange portion 226 into sheathing layer 120 . In some embodiments, suitable adhesive may be used to mount vent component 202 to sheathing 120 . Lower flange portion 208 may comprise a stand-off portion 209 which extends below the intersection of hood 203 and flange 205 . When upper vent assembly 200 is installed in window opening 104 ( FIG.
- stand off portion 209 may be placed on upper window frame 101 A and may abut against upper window flange 103 A of upper window frame portion 101 A.
- An undersurface of hood 203 may also be placed atop upper window frame 101 A to ensure that hood portion 203 extends downwardly and outwardly for directing moisture as discussed above.
- Vent portion 211 extends outwardly from flange 205 at a location above hood 203 . Vent portion 211 is penetrated by a plurality of apertures 210 which, when upper venting assembly 200 is installed in window opening 104 , allow air flow to interstitial space 116 of wall 106 between sheathing layer 120 and external building layer 118 ( FIG. 11 ). This air flow provides venting which tends to remove moisture from interstitial space 116 above window opening 104 .
- vent portion 211 also comprises an optional downwardly extending flange 213 . External building layer 118 may abut against downwardly extending flange 213 when upper venting assembly 200 is installed in window opening 104 .
- Upper vent assembly 200 also comprises side components 216 ( FIG. 10C ).
- Side components 216 comprise mounting flanges 218 A, 218 B (together, mounting flanges 218 ) which may be installed to abut against exterior vertically-extending frame members 122 , as explained in more detail below.
- Projections 220 A, 220 B (together, projections 220 ) and projections 224 A, 224 B (together, projections 224 ) project sideways from mounting flanges 218 toward the center of window opening 104 .
- projections 220 , 224 provide channels 222 A, 222 B (together, channels 222 ) which may respectively receive the left and right ends of hood 203 .
- vent component 202 may abut against an interior side of the upwardly extending portion of projection 220 .
- vent component 202 which has a uniform cross-section, may be provided in standard lengths and then cut to an appropriate size for fitting between side components 216 in building wall 106 .
- FIGS. 8A-8J depict a method for installation of moisture management system 100 including sill pan assembly 10 , lower vent assembly 50 and upper vent assembly 200 into building wall 106 according to a particular embodiment of the invention.
- FIG. 8A shows horizontally-extending lower interior frame member 102 , vertically-extending interior frame members 112 and horizontally-extending upper interior frame member 126 . Together, interior frame members 102 , 112 , 126 define opening 104 in building wall 106 .
- opening 104 is a window opening.
- sheathing layer 120 is installed over interior frame members 102 , 112 , 126 .
- sheathing layer 120 comprises plywood together with a suitable building paper or building wrap, such as TyvekTM marketed and sold by E. I. du Pont de Nemours and Company (Dupont), for example.
- suitable building paper or building wrap such as TyvekTM marketed and sold by E. I. du Pont de Nemours and Company (Dupont), for example.
- suitable building paper or building wrap such as TyvekTM marketed and sold by E. I. du Pont de Nemours and Company (Dupont), for example.
- TyvekTM marketed and sold by E. I. du Pont de Nemours and Company
- wall 106 may contain other materials (e.g. insulation, vapor barriers or the like) on an interior of sheathing layer 120 . These optional other materials are not discussed herein as they are not germane to the explanation of the current invention.
- FIG. 8C shows the next step, where corner components 11 of sill pan assembly 10 are cut to length and installed in window opening 104 by abutting side flanges 15 against interior vertical frame members 112 , downwardly and upwardly-extending exterior flanges 12 , 13 against sheathing layer 120 and base sections 14 against sill 102 .
- connector component 30 is installed between corner components 11 by snapping wing members 31 into notches 24 as discussed above (see also FIGS. 2 , 3 and 4 ) to couple corner components 11 to one another and to complete the installation of sill pan assembly 10 .
- a window 107 may be installed in opening 104 as shown in FIG. 8E .
- window 107 is bordered by a window frame 101 having upper window frame portion 101 A, right side window frame portion 101 B, lower window frame portion 101 C and left side window frame portion 101 D.
- Window 107 is installed by placing lower window frame portion 101 C atop upper surfaces 22 of window-support members 20 and atop upper surfaces 40 of window-support members 38 .
- upper surfaces 22 , 40 of window-support members 20 , 38 are oriented substantially horizontally, such that window 107 is oriented substantially vertically in window opening 104 despite the downward and outward angle of upper surfaces 17 of base sections 14 and upper surface 34 of base section 32 .
- window 107 may be substantially vertically oriented while upper surfaces 17 , 34 of base sections 14 , 32 are capable of directing moisture away from interior 110 of building wall 106 .
- each portion 101 A, 101 B, 101 C, 101 D of window frame 101 comprises a corresponding window flange 103 A, 103 B, 103 C, 103 D (together, window flange 103 ).
- Window 107 may be installed such that lower window flange portion 103 C abuts against at least a portion of the exterior surfaces of spacers 26 and against at least a portion of exterior surface 46 of downwardly-extending exterior Flange 44 .
- Portions of side window flange portions 103 B, 103 D and upper flange portion 103 A may abut directly against sheathing layer 120 .
- spacers 26 provide window 107 with an orientation where window 107 extends slightly outwardly as it extends downwardly.
- vent component 202 may be cut to length and coupled to side components 216 as discussed above and shown in FIG. 10A .
- Suitable adhesive may be used (e.g. on projections 220 , 224 and/or on the sides of hood 203 and/or flange 205 ) to couple vent component 202 to side components 216 .
- Upper vent assembly 200 may then be installed in wall 106 by placing stand off portion 209 of lower flange portion 208 atop upper window frame portion 101 A (FIG. 11 ) and projecting suitable fasteners (not explicitly shown) through apertures 214 in upper flange portion 226 of flange 205 and into sheathing layer 120 .
- interstitial space 116 between sheathing layer 120 and external building layer 118 .
- interstitial space 116 need not necessarily be empty space.
- the purpose of interstitial space 116 is to allow for flow of air and/or moisture between sheathing layer 120 and external building layer 118 to vent the interior of wall 106 .
- construction techniques used to create interstitial space 116 .
- interstitial space 116 is created by providing a layer of ventable material 132 , such as (by way of non-limiting example) Home SlickerTM marketed and sold by Bejamin Obdyke Incorporated of Horsham, Pa., Delta DryTM marketed and sold by Cosella-Dörken Products, Inc. of Beamsville, Ontario, Canada or the like.
- Ventable material 132 may be provided in rolls which are unwound, cut to size and fastened (e.g. by staples) to sheathing layer 120 . In the illustrated embodiment, as shown in FIG.
- ventable material 132 is applied to sheathing layer 120 above window opening 104 (at 132 A), on each side of window opening 104 (at 132 B, 132 C), below window opening 104 (at 132 D) in a narrow swath and below window opening 104 (at 132 E) in a full width swath.
- Ventable material 132 applied at sides 132 B, 132 C may abut against the exterior surfaces of side window flanges 103 B, 103 D.
- Ventable material 132 applied above window opening 104 (at 132 A) may abut against the exterior surface of upper flange portion 226 of mounting flange 205 .
- Ventable material 132 applied below window opening 104 (at 132 D) may abut against the exterior surfaces of spacers 26 of downwardly-extending exterior flanges 12 and exterior surface 46 of downwardly-extending exterior flange 44 .
- Ventable material 132 applied below window opening 104 (at 132 E) may abut directly against sheathing 120 .
- Application of ventable material 132 between sheathing 120 and external building layer 118 provides interstitial space 116 which allows for the flow of air and moisture therethrough.
- interstitial space 116 different techniques may be used to create interstitial space 116 . Such techniques do not require the use of ventable material 132 .
- one relatively common technique involves creating columns or channels of interstitial space 116 by attaching vertically extending spacers (referred to as “furring strips” and/or “strapping”) to sheathing 120 at transversely spaced apart locations. These furring strips creates vertical columns of empty space 116 between sheathing 120 and external building layer 118 .
- furring strips creates vertical columns of empty space 116 between sheathing 120 and external building layer 118 .
- Still other systems for providing interstitial space 116 are known to those skilled in the art. The systems and methods of the invention should be understood to be applicable to any such techniques for creating an interstitial space 116 which allows for flow of air and moisture between sheathing layer 120 and external building layer 118 .
- the next step of the illustrated embodiment is to assemble lower vent assembly 50 by cutting vent component 52 to length and coupling the ends of vent component 52 to side components 54 as discussed above.
- a suitable adhesive may be used to help couple the ends of vent component 52 to side components 54 (e.g. at projections 77 , 79 and/or at the ends of vent component 52 ).
- the exterior surface of lower mounting portion 66 of vent flange 64 is mounted to a horizontally-extending lower exterior frame member 134 B ( FIG. 8H ) prior to installation of lower vent assembly 50 .
- Vent flange 64 may be mounted by projecting suitable fasteners through apertures 74 , by projecting suitable fasteners though vent flange 64 and/or by suitable adhesive as discussed above.
- lower vent assembly 50 and horizontally-extending lower external frame member 134 B are installed below window opening 104 .
- lower external horizontally-extending frame member 134 B may be coupled by suitable fasteners (e.g. nails, screws, staples or the like) which extend into sheathing 120 through interstitial space 116 .
- vertically-extending external frame members 122 A, 122 B maybe mounted on wall 106 (e.g.
- external building layer 118 (shown as wood siding in the illustrated embodiment) may be applied over interstitial space 116 (e.g. ventable material 132 in the illustrated embodiment).
- interstitial space 116 e.g. ventable material 132 in the illustrated embodiment.
- the uppermost piece of siding below window 107 may be cut to accommodate vertically-extending exterior frame members 122 and horizontally-extending lower exterior frame member 134 B.
- FIGS. 8A-8J and discussed above are merely representative examples of a wall construction and a window construction used to illustrate a method for installing moisture management system 100 including sill pan assembly 10 , lower vent assembly 50 and upper vent assembly 200 according to a particular embodiment of the invention.
- Sill pan assembly 10 and lower vent assembly 50 cooperate to manage moisture that would otherwise tend to accumulate in the vicinity of the bottom of window opening 104 . Operation of sill pan assembly 10 and lower vent assembly 50 may be best understood with reference to FIG. 7 .
- Sill pan assembly 10 protects wall 106 and more particularly, sill 102 by receiving moisture that drains downwardly from window 107 onto base sections 14 and base section 32 .
- Upper surfaces 17 of base sections 14 and upper surface 34 of base section 32 are sloped downwardly and outwardly and therefore direct moisture received thereon away from interior 110 of wall 106 and toward downwardly-extending exterior flanges 12 , 44 . Moisture so directed reaches interstitial space 116 between sheathing 120 and external wall layer 118 where it is removed from wall 106 by the venting action facilitated by lower vent assembly 50 .
- Lower vent assembly 50 functions to provide ventilation to interstitial space 116 (i.e. to remove moisture therefrom), while simultaneously preventing excess moisture from entering interstitial space 116 from the exterior 108 of wall 106 .
- Air is free to travel into and out of interstitial space 116 from the exterior 108 of wall 106 under hood 63 and through apertures 72 .
- This air flow ventilates interstitial space 116 and tends to remove the moisture that is directed to interstitial space 116 by sill pan assembly 10 or otherwise.
- Apertures 72 are preferably sufficiently small to minimize (or at least impair) access to interstitial space 116 by insects or other pests.
- hood 63 prevents excess moisture, such as from rain or snow, to enter interstitial space 116 through apertures 72 .
- Rain or snow received on hood 63 is directed downwardly and outwardly toward an exterior 108 of building wall 106 .
- the lowermost outer edge 65 hood 63 is exterior to external building layer 118 .
- Optional drip flange 62 helps to cause moisture received on hood 63 to pool into drops and to drop away on the exterior 108 of wall 106 .
- upper vent assembly 200 may best be understood with reference to FIG. 11 .
- Upper vent assembly 200 and more particularly apertures 210 of vent portion 211 provide a venting function for interstitial space 116 above window opening 104 .
- This air flow causes moisture in interstitial space 116 to evaporate and/or otherwise move out of interstitial space 116 .
- Hood 203 also protects against moisture penetrating through cracks or the like in window opening 104 . More particularly, hood 203 tends to direct moisture, such as from rain or snow, toward exterior 108 of building wall 106 to prevent such moisture from entering window opening 104 .
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Abstract
Moisture management systems and methods are provided for managing moisture in a vicinity of an opening in a building wall. Such systems comprise a sill pan mountable in the building wall atop a horizontally-extending lower frame member of the opening. The sill pan may include: a base section having an upper surface which slopes downwardly and outwardly from a location interior to a lower flange portion of a window frame to an interstitial space between a sheathing layer of the building wall and an external building wall layer for directing moisture received thereon toward the interstitial space; and a plurality of transversely spaced-apart window-support members having upper surfaces located above the upper surface of the base section and oriented substantially horizontally for receiving a lower portion of the window frame. Such systems also comprise a lower vent mountable in the building wall outwardly of the sill pan. The lower vent may include: a vent component which defines a plurality of apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from a location above the apertures in the vent component and interior to the exterior building wall layer to a location external to the building wall.
Description
- The invention relates to moisture management systems for building openings in walls or the like. Particular embodiments provide moisture management systems for window openings.
- Excess moisture and/or moisture buildup can damage building walls. These problems are particularly prevalent in humid and/or damp environments. Openings in building walls, such as window openings for example, are particularly problematic regions in which moisture tends to accumulate. Openings in building walls also tend to provide regions where moisture can enter an interior of building wall and/or can move from the interior of a building to the exterior of a building or vice versa.
- There is a general desire to provide systems and methods for managing moisture in and around openings in building walls.
- Aspects of the present invention provide apparatus and methods for managing moisture in a vicinity of an opening in a building wall.
- One particular aspect of the invention provides an apparatus for managing moisture in a vicinity of an opening in a building wall. The apparatus comprises a sill pan and a lower vent for managing moisture in a vicinity of a lower perimeter of the opening. The sill pan is mountable in the building wall atop a horizontally-extending lower frame member of the opening. The comprises a base section having an upper surface which slopes downwardly and outwardly from interior to a sheathing layer of the building wall to an interstitial space between the sheathing layer and an external building wall layer for directing moisture received thereon toward the interstitial space. The lower vent is mountable in the building wall in a vicinity of the lower perimeter of the window opening. The lower vent comprises: a vent component which defines a plurality of lower vent apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from above the lower vent apertures and from interior to the exterior building wall layer to the exterior of the building wall.
- Another aspect of the invention provides an apparatus for managing moisture in a vicinity of a window opening in a building wall. The apparatus comprises a pair of corner components and a connector component. Each corner component comprises: a corner base section mountable atop a horizontally-extending lower frame member of the opening and having an upper surface which slopes downwardly and outwardly from interior of a sheathing layer of the building wall to an interstitial space between the sheathing layer and an external building wall layer for directing moisture received thereon toward the interstitial space; a plurality of transversely spaced-apart corner window support members having upper surfaces located above the upper surface of the corner base section and oriented substantially horizontally for receiving a lower portion of a window frame; a corner exterior flange extending downwardly from the corner base section and abutting against an exterior surface of sheathing layer; and a plurality of transversely spaced-apart corner spacers having exterior surfaces that are located exterior to an exterior surface of the corner exterior flange and wherein at least a portion of the window frame abuts against the exterior surfaces of the corner spacers. The connector component connects the corner components to one another and comprises a connector base section and a pair of wings that extend from the connector base section in transversely opposing directions to form snap-together couplings between a corresponding one of the wings and one or more notches on each of the corner components.
- Another aspect of the invention provides a method for managing moisture in a vicinity of a window opening of a building wall. The method comprises: creating an interstitial space between a sheathing layer of the building wall and an external building wall layer; mounting a sill pan in the building wall atop a horizontally-extending lower frame member of the window opening, the sill pan comprising: a base section having an upper surface which slopes downwardly and outwardly from a location interior to the sheathing layer to the interstitial space for directing moisture received thereon toward the interstitial space; and a plurality of transversely spaced-apart window-support members having substantially horizontally oriented upper surfaces located above the upper surface of the base section; installing a window in the window opening such that at least part of a lower portion of the window frame is positioned atop the upper surfaces of the window-support members; mounting a lower vent in the building wall in a vicinity of a lower perimeter of the window opening, the lower vent comprising: a vent component which defines a plurality of lower vent apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from above the lower vent apertures and from interior to the exterior building wall layer to the exterior of the building wall; and applying the external building wall layer to the building wall, the external building wall layer overlapping a lower portion of the vent component below the lower vent apertures.
- In drawings which depict non-limiting embodiments of the invention:
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FIG. 1 is a partially cut-away, exterior isometric view of a sill pan assembly of a moisture management system according to a particular embodiment of the invention disposed in an opening of a building wall; -
FIGS. 2A , 2B and 2C (collectively,FIG. 2 ) are isometric views of a left corner component, a right corner component and a connector component of theFIG. 1 sill pan assembly; -
FIGS. 3A and 3B (collectivelyFIG. 3 ) are partially cut-away, interior isometric views of theFIG. 1 sill pan disposed in a window opening of a building wall; -
FIG. 4 is a partially cut-away, exterior isometric view of theFIG. 1 sill pan assembly without the connector component; -
FIG. 5 is an isometric view of a lower vent assembly of a moisture management system according to a particular embodiment of the invention disposed adjacent to the lower perimeter of an opening in a building wall; -
FIGS. 6A-6C (collectivelyFIG. 6 ) are isometric views of the various components of theFIG. 5 lower vent assembly; -
FIG. 7 is a cross-sectional view showing portions of theFIG. 5 lower vent assembly and theFIG. 1 sill pan assembly installed in a building wall; -
FIGS. 8A-8J are isometric views which show a method for installing theFIG. 1 sill pan assembly, theFIG. 5 lower vent assembly and theFIG. 9 upper vent assembly into a building wall around an opening thereof; -
FIG. 9 is a partially cut-away view of an upper vent assembly of a moisture management system according to a particular embodiment of the invention installed adjacent to the upper perimeter of an opening in a building wall; -
FIGS. 10A , 10B and 10C (collectively,FIG. 10 ) are isometric views of the various components of theFIG. 9 upper vent assembly; and -
FIG. 11 is a cross-sectional view showing portions of theFIG. 9 upper vent assembly installed in a building wall. - Throughout the following description, specific details are set forth in order to provide a more thorough understanding of the invention. However, the invention may be practiced without these particulars. In other instances, well known elements have not been shown or described in detail to avoid unnecessarily obscuring the invention. Accordingly, the specification and drawings are to be regarded in an illustrative, rather than a restrictive, sense.
- Aspects of the invention provide moisture management apparatus and methods for draining and/or venting moisture away from window openings. Particular aspect of the invention combine: a sill pan assembly which protects a window sill by draining moisture away from the window sill toward an interstitial space between the sheathing layer and the external layer of a building wall; a lower vent assembly for providing fluid communication between the exterior of a building wall and the interstitial space below the window; and an upper vent assembly for providing fluid communication between the exterior of the building wall and the interstitial space above the window.
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FIGS. 1-11 depict various components of amoisture management system 100 according to a particular embodiment of the invention.Moisture management system 100 comprises a sill pan assembly 10 (FIG. 1 ) which, in the illustrated embodiment, is disposed on a horizontally-extending lowerinterior frame member 102 ofbuilding opening 104. In the illustrated embodiment, building opening 104 is a window opening, although the invention may generally be used in connection with any building opening. - Typically,
window opening 104 is formed in abuilding wall 106. Horizontally-extending lowerinterior frame member 102 is often referred to as window “sill” 102. In the illustrated embodiment,sill pan assembly 10 comprises aleft corner component 11A (FIG. 2A ) and aright corner component 11B (FIG. 2B ) which are coupled together by a connector component 30 (FIG. 2C ). In particular embodiments,corner components connector component 30 are fabricated from plastic or some other moisture-resistant material. Corner components 11 andconnector component 30 may be fabricated by an injection molding process, for example. - Left and
right corner components FIGS. 2A and 2B , left andright corner components exterior flanges exterior flanges base sections side flanges - This description employs a number of simplifying directional conventions. Directions are described in relation to a vertical building wall (
e.g. wall 106 ofFIG. 1 ). Referring toFIG. 1 , directions may be referred to as: “external”, “outward” or the like if they tend toward theexterior 108 ofbuilding wall 106; “internal”, “inward” or the like if they tend toward theinterior 110 ofbuilding wall 106; “upward” or the like if they tend toward the top (not explicitly enumerated) ofbuilding wall 106; “downward” or the like if they tend toward the bottom (not explicitly enumerated) ofbuilding wall 106; “vertical” or the like if they tend both upwardly and downwardly; “leftward” or the like if they tend toward one side ofbuilding wall 106; “rightward” or the like if they tend toward the opposing side ofbuilding wall 106; and “sideways”, “transverse” or the like if they tend both leftward and rightward. It will be appreciated by those skilled in the art that these directional conventions are used for the purpose of facilitating the description and should not be interpreted in a literal sense. In particular, the invention may be employed, for example, inwalls 106 that are not strictly vertically oriented. -
Sill pan assembly 10 may be installed inwindow opening 104 ofwall 106 by positioning corner components 11 onsill 102 such that side flanges 15 abut against left and right vertically-extendinginterior frame members FIG. 3B ). In some applications, the exterior surfaces of frame members 112 may be covered by asheathing layer 120 as discussed in more detail below.Sheathing layer 120 may comprise plywood, building paper (e.g. Tyvek™ or the like), other building wrap material(s), other moisture barrier material(s) and/or the like. In such applications, upwardly-extendingexterior flanges 13 and/or side flanges 15 may abut against the sheathing material. In other applications,sheathing layer 120 may not be present or may not cover the exterior surfaces of frame members 112. In such applications, upwardly-extendingexterior flanges 13 may abut directly against the exterior surfaces of frame members 112. - In the illustrated embodiment, upwardly-extending
exterior flanges 13 comprisechannels FIGS. 2A , 2B) through which suitable fasteners (e.g. nails, screw or the like (not explicitly shown)) may project to fasten corner components 11 to vertically-extending interior frame members 112. Channels 16 may permit shape changes and/or movement of corner components 11 and/or wall 106 (e.g. due to aging, temperature changes, drying of the wooden frame or the like). In some embodiments, similar channels may be provided on side flanges 15. Channels 16 are not necessary. In some embodiments, suitable fasteners (e.g. nails, screws, staples or the like) may project directly through any offlanges 13, 15 for mounting corner components 11 towall 106. In other embodiments, fasteners are not required and suitable adhesive may be used to mount corner components 11 towall 106. - Side flanges 15 and upwardly-extending
exterior flanges 13 combine to abut against the lower corners ofwindow opening 104 with base sections 14 extending leftward or rightward from their respective side flanges 15 toward a center ofwindow opening 104. As best seen inFIG. 2B , corner components 11 comprise wedge-shapedlegs 19A, 19B (together, legs 19) which, when corner components 11 are installed, extend downwardly from base sections 14 provide space betweenundersurfaces 21A, 21B (together, undersurfaces 21) of base sections 14 andsill 102. This space between undersurfaces 21 andsill 102 permits moisture to escape from sill 102 (e.g. natural moisture which may be contained insill 102 when it is made of wood). Base sections 14 are integrally formed with side flanges 15 and with upwardly-extendingexterior flanges 13 to prevent moisture seepage in the lower corners ofwindow opening 104 which may result from any joints therebetween. In the illustrated embodiment, as shown best inFIG. 2B , side flanges 15 comprise lower edges 23A, 23B (together, lower edges 23) which extend below base sections 14 and which have a shape similar to that oflegs 19. -
Legs 19 of base sections 14 are wedge-shaped such that when corner components 11 are set atopwindow sill 102, theupper surfaces 17A, 17B (together, upper surfaces 17) of base sections 14 slope downwardly and outwardly to direct moisture received thereon away frominterior 110 of buildingwall 106. In the illustrated embodiment,upper surfaces 17 also comprise optional transversely and vertically-extendingsteps 18A, 18B (together, steps 18—FIGS. 2A , 2B) which further prevent moisture received on an external side of steps 18 from moving toward an interior side of steps 18. - Base sections 14 also comprise pluralities of transversely spaced apart window-
support members upper surfaces 17. Window-support members 20 compriseupper surfaces FIGS. 2A , 2B). At least portions of upper surfaces 22 are shaped to be oriented generally parallel to sill 102 (e.g. horizontal in the illustrated drawings). Upper surfaces 22 may also comprisenotches notches 24—FIGS. 2A , 2B). As explained in more detail below, upper surfaces 22 of window-support members 20 receive a lower window frame portion 101C and ensure thatwindow 107 is resting on a substantially level (e.g. horizontal) surface. - Downwardly-extending
exterior flanges 12 extend downwardly from base sections 14. Preferably, downwardly-extendingexterior flanges 12 are integrally formed with base sections 14 to prevent moisture seepage in the lower portion ofwindow opening 104 which may result from any joints therebetween. Downwardly-extendingexterior flanges 12 may abut againstwindow sill 102 and optionally may extend leftwardly/rightwardly to abut against vertically-extending interior frame members 112. In applications wheresill 102 and/or frame members 112 are covered bysheathing layer 120, downwardly-extendingexterior flanges 12 may abut against the sheathing material. The exterior surface of downwardly-extendingexterior flanges 12 comprise a plurality of transversely spaced apart spacers 26A, 26B (collectively, spacers 26—FIGS. 2A , 2B) which extend outwardly and vertically therefrom. In the illustrated embodiment, the transverse spacing ofspacers 26 is the same as that of window-support members 20, although this is not necessary.Spacers 26 may extend upwardly to meet window-support members 20 at the junction between base sections 14 and downwardly-extendingexterior flanges 12. - Corner components 11 may be fabricated in a number of standard sizes. During installation in
window opening 104, corner components 11 may be cut to appropriate lengths (FIG. 4 ) such that after installation of corner components, aspace 28 is provided therebetween. Connector component 30 (FIG. 1C ) may then be used to couple corner components 11 to one another.Connector component 30 incorporates leftwardly and rightwardly extendingwing members right wing members notches 24 in window-support members 20 of left andright corner components corresponding notch 24. This is not necessary. In some embodiments, only a subset of window-support members 20 closest to the center ofwindow opening 104 are provided withnotches 24, so that corner components 11 can be cut to length and may still be coupled to one another byconnector component 30. - In particular embodiments,
wing members 31 fit intonotches 24 via “snap-together” coupling. Such snap-together coupling may involve deformation ofwing members 31 and/ornotches 24. Although not explicitly shown in the illustrated embodiments, the surfaces ofwing members 31 and/ornotches 24 may be provided with suitable surface features (e.g. protrusions and/or indents) and/or with suitable shapes (e.g. angled profiles) which facilitate snap-together coupling. -
Connector component 30 comprises abase section 32 which sits atopwindow sill 102. In the illustrated embodiment,base section 32 comprises a wedge-shaped leg 33 (FIG. 3 ) which may fit inspace 28 to abut againstwindow sill 102, such that whenconnector component 30 is coupled to corner components 11, anupper surface 34 ofbase section 32 slopes downwardly and outwardly to direct moisture received thereon away frominterior 110 of buildingwall 106. In the illustrated embodiment,upper surface 34 also comprises optional transversely and vertically-extending step 36 (FIG. 2C ) which further prevents moisture received on an external side ofstep 36 from moving toward an interior side ofsteps 36. -
Connector component 30 may also incorporate one or more window-support members 38 (FIG. 2C ) which extend inwardly/outwardly and vertically fromupper surface 34. Window-support members 38 comprise upper surfaces 40 (FIG. 2C ). At least portions ofupper surfaces 40 are shaped to be oriented generally parallel to sill 102 (e.g. horizontal in the illustrated drawings). Preferably, window-support members 38 are shaped such that, whenconnector component 30 is used to coupled corner components 11 to one another, these generally parallel portions ofupper surfaces 40 are coplanar with the corresponding generally parallel portions of upper surfaces 22 of window-support members 20. In the illustrated embodiment,wings 31 are shaped such that whenwings 31 are coupled to corner components 11, the upper surfaces 42A, 42B (together,upper surfaces 42—FIG. 2C ) ofwings 31 are substantially coplanar with the generally parallel portions of theupper surfaces 22, 40 of window-support members 20, 38. -
Connector component 30 also comprises a downwardly-extendingexterior flange 44 which extends downwardly frombase section 32. Preferably, downwardly-extendingexterior flange 44 is integrally formed withbase section 32 to prevent moisture seepage in the lower portion ofwindow opening 104 which may result from any joints therebetween. Downwardly-extendingexterior flange 44 may be shaped to provide an interior portion (not explicitly shown in the illustrated views) which abuts againstwindow sill 102 in the region ofspace 28. In applications where the exterior side ofsill 102 is covered bysheathing layer 120, then the interior portion of downwardly-extendingexterior flange 44 may abut against the sheathing material. Downwardly-extendingexterior flange 44 may be shaped such that, whenconnector component 30 couples corner components 11, anexterior surface 46 of downwardly-extendingexterior flange 44 is substantially coplanar with the exterior surfaces ofspacers 26. -
Moisture management system 100 may also comprise a lower vent assembly.FIG. 5 shows alower vent assembly 50 according to a particular embodiment of the invention disposed adjacent a lower perimeter of opening 104 in buildingwall 106.FIGS. 6A-6C depict the various components of alower vent assembly 50 according to a particular embodiment of the invention.FIG. 7 is a cross-sectional view showing portions oflower vent assembly 50 andsill pan assembly 10. - In the illustrated embodiment,
lower vent assembly 50 comprises avent component 52 which extends transversely between optional left andright side components 54A, 54B (together, side components 54). In particular embodiments,vent component 52 andside components 54 are fabricated from plastic or some other moisture-resistant material.Vent component 52 andside components 54 may be fabricated by an injection molding process, for example. -
Vent component 52 is preferably a single monolithic component which extends transversely betweenside components 54.Vent component 52 comprises ahood 63. In the illustrated embodiment,hood 63 incorporates an upper hood portion 56 and anexternal hood portion 60. Upper hood portion 56 extends transversely betweenside components 54. In the illustrated embodiment, whenlower vent assembly 50 is installed inwall 106, aninterior edge 58 of upper hood portion 56 abuts against lower window flange 103C of lower window frame 101C. As shown inFIG. 7 , lower window flange 103C of lower window frame 101C may extend downwardly betweeninterior edge 58 of upper hood portion 56 and the exterior surfaces ofspacers 26. In the illustrated embodiment, upper hood portion 56 extends outwardly and optionally downwardly frominterior edge 58 to direct moisture received thereon away frominterior 110 of buildingwall 106. - In the illustrated embodiment,
hood 63 ofvent component 52 also comprises anexternal hood portion 60 which extends transversely betweenside components 54. Whenlower vent assembly 50 is installed inwall 106,external hood portion 60 extends downwardly and optionally outwardly from upper hood portion 56 to direct moisture received thereon away frominterior 110 of buildingwall 106. To the extent that upper hood portion 56 andexternal hood portion 60 both extend downwardly and outwardly,external hood portion 60 extends more sharply downwardly than upper hood portion 56. As shown inFIG. 7 ,hood 63 may be shaped and/or located such that a lower-outward edge 65 of hood 63 (i.e. a lower-outward edge of external hood portion 60) is located further outwardly than external wall layer 118 (e.g. siding or the like). In some embodiments, upper hood portion 56 may extend outwardly to a location outward ofexternal wall layer 118, such that all ofexternal hood portion 60 is located outwardly ofexternal wall layer 118. Lower-outward edge 65 ofhood 63 may also be located below ventingapertures 72 discussed further below. -
Hood 63 tends to direct moisture, such as from rain or snow, towardexterior 108 of buildingwall 106 and to prevent such moisture from enteringinterstitial space 116 betweenexternal wall layer 118 andsheathing layer 120 of buildingwall 106 as explained in more detail below. -
Hood 63 may also comprise anoptional drip flange 62. In the illustrated embodiment, wherehood 63 comprises upper hood portion 56 andexternal hood portion 60,drip flange 62 extends transversely betweenside components 54 at a lowermost end ofexternal hood portion 60.Drip flange 62 also extends downwardly and outwardly. To the extent that upper hood portion 56 andexternal hood portion 60 both extend downwardly and outwardly,external hood portion 60 extends more sharply downwardly thandrip flange 62 anddrip flange 62 extends more sharply downwardly than upper hood portion 56. -
Vent component 52 also comprises avent flange 64 which depends downwardly from upper hood portion 56 at a location spaced outwardly frominterior edge 58 and which extends transversely betweenside components 54.Vent flange 64 comprises a plurality ofapertures 72 which provide fluid communication (e.g. air flow) betweeninterstitial space 116 andexterior 108 of buildingwall 106, as explained in more detail below. In the illustrated embodiment, ventflange 64 comprises anupper venting portion 68 and a lower mountingportion 66. Whenlower vent assembly 50 is installed in buildingwall 106, at least a portion ofupper venting portion 68 is preferably located belowwindow sill 102 and above the uppermost extent of external wall layer 118 (e.g. siding) belowwindow opening 104. With this position oflower vent assembly 50, at least some ofapertures 72 inupper venting portion 68 are located to provide fluid communication betweeninterstitial space 116 andexterior 108 ofwall 106. - Lower mounting
portion 66 extends further downwardly from upper ventingportion 68. Lower mountingportion 66 may extend downwardly on an interior of an uppermost portion ofexternal wall layer 118 belowwindow opening 104. Lower mountingportion 66 may compriseapertures 74 through which suitable fasteners (e.g. nails, screw or the like (not explicitly shown)) may project to fastenvent component 52 to an exteriorlower frame member 134B or toexternal wall layer 118.Apertures 74 are not necessary. In some embodiments, suitable fasteners (e.g. nails, screws, staples or the like) may project directly through lower mountingportion 66 into exteriorlower frame member 134B orexternal wall layer 118. In still other embodiments, fasteners are not required and suitable adhesive or the like may be used between lower mountingportion 66 and exteriorlower frame member 134B orexternal wall layer 118. -
Vent flange 64 may comprise an optional offset step 70 between lower mountingportion 66 andupper venting portion 68 such that lower mountingportion 66 is located inwardly from upper ventingportion 68. Optional offset step 70 may help to maintain the width ofinterstitial space 116 in the region ofsill pan assembly 10, such that air flow throughapertures 72 into and out ofinterstitial space 116 is not restricted in this region. As shown inFIG. 7 , offset step 70 may also allowupper venting portion 68 to be located outwardly of the interior surface ofexternal building layer 118. -
Lower vent assembly 50 also comprisesoptional side components 54.Side components 54 comprise mountingflanges 76A, 76B (together, mounting flanges 76) which may be installed to abut against exterior vertically-extendingframe members 122, as explained in more detail below.Projections 77A, 77B (together, projections 77) andprojections 79A, 79B (together, projections 79) project sideways from mounting flanges 76 toward the center ofwindow opening 104. As shown best inFIG. 6B , projections 77 provide channels 78A, 78B (together, channels 78) which may respectively receive the left and right ends ofhood 63 ofvent component 52. In addition, upper ventingportion 68 ofvent flange 64 ofvent component 52 may abut against an exterior side of projection 79. In particular embodiments,vent component 52, which has a uniform cross-section, may be provided in standard lengths and then cut to an appropriate size for fitting betweenside components 54 inwall 106. -
Moisture management system 100 may also comprise an upper vent assembly.FIGS. 9 and 11 shows anupper vent assembly 200 according to a particular embodiment of the invention disposed adjacent to an upper perimeter of opening 104 in buildingwall 106.FIGS. 10A , 10B and 10C show the various components ofupper vent assembly 200.Upper vent assembly 200 comprises avent component 202 which extends transversely between a pair ofoptional side components 216A, 216B (together, side components 216). In particular embodiments,vent component 202 and side components 216 are fabricated from plastic or some other moisture-resistant material.Vent component 202 and side components 216 may be fabricated by an injection molding process, for example.Upper vent assembly 200 may be installed above window opening 104 for draining moisture away from the top ofwindow opening 104 and for ventinginterstitial space 116 abovewindow opening 104. -
Vent component 202, which is preferably fabricated from a single monolithic piece of material, compriseshood 203, mountingflange 205 andvent portion 211 which extend transversely between side components 216 to provide a substantially uniform cross-section. Whenupper vent assembly 200 is installed in building wall 106 (FIGS. 9 and 11 ),hood 203 extends outwardly and downwardly to direct moisture received thereon toward anexterior 108 of buildingwall 106.Hood 203 protects against the possibility of moisture, such as from rain or snow, enteringbuilding wall 106 at the top ofwindow opening 104.Hood 203 may be shaped and/or located such that a lower-outward edge 207 of hood 203 (FIG. 9 ) is located further outwardly thanexternal wall layer 118. In the illustrated embodiment,hood 203 comprises aupper hood potion 204 andoptional drip flange 206.Upper hood portion 204 extends outwardly and optionally downwardly whiledrip flange 206 extends downwardly and optionally outwardly. To the extent thatupper hood portion 204 anddrip flange 206 both extend outwardly and downwardly,drip flange 206 extends more sharply downwardly thanupper hood portion 204. - In the illustrated embodiment, mounting
flange 205 comprises anupper flange portion 226 and alower flange portion 208, both of which extend vertically and transversely between side components 216. In the illustrated embodiment, mountingflange 205 comprises a step 212 (FIG. 10B ) for offsettinglower flange portion 208 outwardly fromupper flange portion 226. Step 212 allows extra space forwindow flange 103A ofupper window frame 101A to be located inwardly of lower flange portion 208 (FIG. 11 ). Step 212 is not required. In other embodiments,upper flange portion 226 andlower flange portion 208 may be substantially coplanar. -
Upper flange portion 226 may compriseapertures 214 through which suitable fasteners (e.g. nails, screw or the like (not explicitly shown)) may project to fastenvent component 202 tosheathing layer 120 as explained in more detail below.Apertures 214 are not necessary. In some embodiments, suitable fasteners (e.g. nails, screws, staples or the like) may project directly throughupper flange portion 226 intosheathing layer 120. In some embodiments, suitable adhesive may be used to mountvent component 202 tosheathing 120.Lower flange portion 208 may comprise a stand-off portion 209 which extends below the intersection ofhood 203 andflange 205. Whenupper vent assembly 200 is installed in window opening 104 (FIG. 11 ), stand offportion 209 may be placed onupper window frame 101A and may abut againstupper window flange 103A of upperwindow frame portion 101A. An undersurface ofhood 203 may also be placed atopupper window frame 101A to ensure thathood portion 203 extends downwardly and outwardly for directing moisture as discussed above. -
Vent portion 211 extends outwardly fromflange 205 at a location abovehood 203.Vent portion 211 is penetrated by a plurality ofapertures 210 which, whenupper venting assembly 200 is installed inwindow opening 104, allow air flow tointerstitial space 116 ofwall 106 betweensheathing layer 120 and external building layer 118 (FIG. 11 ). This air flow provides venting which tends to remove moisture frominterstitial space 116 abovewindow opening 104. In the illustrated embodiment,vent portion 211 also comprises an optional downwardly extendingflange 213.External building layer 118 may abut against downwardly extendingflange 213 whenupper venting assembly 200 is installed inwindow opening 104. -
Upper vent assembly 200 also comprises side components 216 (FIG. 10C ). Side components 216 comprise mounting flanges 218A, 218B (together, mounting flanges 218) which may be installed to abut against exterior vertically-extendingframe members 122, as explained in more detail below.Projections 220A, 220B (together, projections 220) andprojections 224A, 224B (together, projections 224) project sideways from mounting flanges 218 toward the center ofwindow opening 104. As shown best inFIG. 10C , projections 220, 224 provide channels 222A, 222B (together, channels 222) which may respectively receive the left and right ends ofhood 203. In addition,flange 205 ofvent component 202 may abut against an interior side of the upwardly extending portion of projection 220. In particular embodiments,vent component 202, which has a uniform cross-section, may be provided in standard lengths and then cut to an appropriate size for fitting between side components 216 in buildingwall 106. -
FIGS. 8A-8J depict a method for installation ofmoisture management system 100 includingsill pan assembly 10,lower vent assembly 50 andupper vent assembly 200 into buildingwall 106 according to a particular embodiment of the invention.FIG. 8A shows horizontally-extending lowerinterior frame member 102, vertically-extending interior frame members 112 and horizontally-extending upperinterior frame member 126. Together,interior frame members wall 106. In the illustrated embodiment, opening 104 is a window opening. - Next, as shown in
FIG. 8B ,sheathing layer 120 is installed overinterior frame members sheathing layer 120 comprises plywood together with a suitable building paper or building wrap, such as Tyvek™ marketed and sold by E. I. du Pont de Nemours and Company (Dupont), for example. In other embodiments, different sheathing materials may be used to formsheathing layer 120 orsheathing layer 120 may not be present at all. It will be appreciated by those skilled in the art thatwall 106 may contain other materials (e.g. insulation, vapor barriers or the like) on an interior ofsheathing layer 120. These optional other materials are not discussed herein as they are not germane to the explanation of the current invention. -
FIG. 8C shows the next step, where corner components 11 ofsill pan assembly 10 are cut to length and installed inwindow opening 104 by abutting side flanges 15 against interior vertical frame members 112, downwardly and upwardly-extendingexterior flanges sheathing layer 120 and base sections 14 againstsill 102. Next, as shown inFIG. 8D ,connector component 30 is installed between corner components 11 by snappingwing members 31 intonotches 24 as discussed above (see alsoFIGS. 2 , 3 and 4) to couple corner components 11 to one another and to complete the installation ofsill pan assembly 10. - After installation of
sill pan assembly 10, awindow 107 may be installed in opening 104 as shown inFIG. 8E . In the illustrated embodiment,window 107 is bordered by awindow frame 101 having upperwindow frame portion 101A, right side window frame portion 101B, lower window frame portion 101C and left side window frame portion 101D.Window 107 is installed by placing lower window frame portion 101C atop upper surfaces 22 of window-support members 20 and atopupper surfaces 40 of window-support members 38. As discussed above,upper surfaces 22, 40 of window-support members 20, 38 are oriented substantially horizontally, such thatwindow 107 is oriented substantially vertically inwindow opening 104 despite the downward and outward angle ofupper surfaces 17 of base sections 14 andupper surface 34 ofbase section 32. Thus,window 107 may be substantially vertically oriented whileupper surfaces base sections 14, 32 are capable of directing moisture away frominterior 110 of buildingwall 106. - In the illustrated embodiment, each
portion 101A, 101B, 101C, 101D ofwindow frame 101 comprises acorresponding window flange Window 107 may be installed such that lower window flange portion 103C abuts against at least a portion of the exterior surfaces ofspacers 26 and against at least a portion ofexterior surface 46 of downwardly-extendingexterior Flange 44. Portions of sidewindow flange portions 103B, 103D andupper flange portion 103A may abut directly againstsheathing layer 120. Whenwindow 107 is installed inwindow opening 104,spacers 26 providewindow 107 with an orientation wherewindow 107 extends slightly outwardly as it extends downwardly. - After installing window 107 (
FIG. 8E ),upper vent assembly 200 is assembled and installed inwall 106 as shown inFIG. 8F . More particularly,vent component 202 may be cut to length and coupled to side components 216 as discussed above and shown inFIG. 10A . Suitable adhesive may be used (e.g. on projections 220, 224 and/or on the sides ofhood 203 and/or flange 205) tocouple vent component 202 to side components 216.Upper vent assembly 200 may then be installed inwall 106 by placing stand offportion 209 oflower flange portion 208 atop upperwindow frame portion 101A (FIG. 11) and projecting suitable fasteners (not explicitly shown) throughapertures 214 inupper flange portion 226 offlange 205 and intosheathing layer 120. - The next step in the construction of
wall 106 is to createinterstitial space 116 betweensheathing layer 120 andexternal building layer 118. In general,interstitial space 116 need not necessarily be empty space. The purpose ofinterstitial space 116 is to allow for flow of air and/or moisture betweensheathing layer 120 andexternal building layer 118 to vent the interior ofwall 106. There are a variety of construction techniques used to createinterstitial space 116. In the illustrated embodiment,interstitial space 116 is created by providing a layer of ventable material 132, such as (by way of non-limiting example) Home Slicker™ marketed and sold by Bejamin Obdyke Incorporated of Horsham, Pa., Delta Dry™ marketed and sold by Cosella-Dörken Products, Inc. of Beamsville, Ontario, Canada or the like. Ventable material 132 may be provided in rolls which are unwound, cut to size and fastened (e.g. by staples) tosheathing layer 120. In the illustrated embodiment, as shown inFIG. 8G , ventable material 132 is applied tosheathing layer 120 above window opening 104 (at 132A), on each side of window opening 104 (at 132B, 132C), below window opening 104 (at 132D) in a narrow swath and below window opening 104 (at 132E) in a full width swath. - Ventable material 132 applied at sides 132B,132C may abut against the exterior surfaces of
side window flanges 103B, 103D. Ventable material 132 applied above window opening 104 (at 132A) may abut against the exterior surface ofupper flange portion 226 of mountingflange 205. Ventable material 132 applied below window opening 104 (at 132D) may abut against the exterior surfaces ofspacers 26 of downwardly-extendingexterior flanges 12 andexterior surface 46 of downwardly-extendingexterior flange 44. Ventable material 132 applied below window opening 104 (at 132E) may abut directly againstsheathing 120. Application of ventable material 132 betweensheathing 120 andexternal building layer 118 providesinterstitial space 116 which allows for the flow of air and moisture therethrough. - In other embodiments, different techniques may be used to create
interstitial space 116. Such techniques do not require the use of ventable material 132. For example, one relatively common technique involves creating columns or channels ofinterstitial space 116 by attaching vertically extending spacers (referred to as “furring strips” and/or “strapping”) tosheathing 120 at transversely spaced apart locations. These furring strips creates vertical columns ofempty space 116 betweensheathing 120 andexternal building layer 118. Still other systems for providinginterstitial space 116 are known to those skilled in the art. The systems and methods of the invention should be understood to be applicable to any such techniques for creating aninterstitial space 116 which allows for flow of air and moisture betweensheathing layer 120 andexternal building layer 118. - As shown in
FIG. 8H , the next step of the illustrated embodiment is to assemblelower vent assembly 50 by cuttingvent component 52 to length and coupling the ends ofvent component 52 toside components 54 as discussed above. A suitable adhesive may be used to help couple the ends ofvent component 52 to side components 54 (e.g. at projections 77, 79 and/or at the ends of vent component 52). In the illustrated embodiment, the exterior surface of lower mountingportion 66 ofvent flange 64 is mounted to a horizontally-extending lowerexterior frame member 134B (FIG. 8H ) prior to installation oflower vent assembly 50.Vent flange 64 may be mounted by projecting suitable fasteners throughapertures 74, by projecting suitable fasteners thoughvent flange 64 and/or by suitable adhesive as discussed above. - Next, as shown in
FIG. 8I ,lower vent assembly 50 and horizontally-extending lowerexternal frame member 134B (as assembled inFIG. 8H ) are installed belowwindow opening 104. To mountlower vent assembly 50 inwall 106, lower external horizontally-extendingframe member 134B may be coupled by suitable fasteners (e.g. nails, screws, staples or the like) which extend intosheathing 120 throughinterstitial space 116. In addition or in the alternative, vertically-extendingexternal frame members 122A, 122B (together, vertically-extending external frame members 122) maybe mounted on wall 106 (e.g. using suitable fasteners which project intosheathing 120 through interstitial space 116) and mounting flanges 76 ofside components 54 may then abut against external vertically-extendingframe members 122 and may be coupled thereto by suitable adhesive or fasteners. Horizontally-extending upperexterior frame member 134A may also be installed at this time, as shown inFIG. 8I . - Finally, as shown in
FIG. 8J , external building layer 118 (shown as wood siding in the illustrated embodiment) may be applied over interstitial space 116 (e.g. ventable material 132 in the illustrated embodiment). In the illustrated embodiment, the uppermost piece of siding belowwindow 107 may be cut to accommodate vertically-extendingexterior frame members 122 and horizontally-extending lowerexterior frame member 134B. Those skilled in the art will appreciate that many different types of wall constructions and window constructions are possible and that the wall construction and window construction shown inFIGS. 8A-8J and discussed above are merely representative examples of a wall construction and a window construction used to illustrate a method for installingmoisture management system 100 includingsill pan assembly 10,lower vent assembly 50 andupper vent assembly 200 according to a particular embodiment of the invention. -
Sill pan assembly 10 andlower vent assembly 50 cooperate to manage moisture that would otherwise tend to accumulate in the vicinity of the bottom ofwindow opening 104. Operation ofsill pan assembly 10 andlower vent assembly 50 may be best understood with reference toFIG. 7 .Sill pan assembly 10 protectswall 106 and more particularly,sill 102 by receiving moisture that drains downwardly fromwindow 107 onto base sections 14 andbase section 32.Upper surfaces 17 of base sections 14 andupper surface 34 ofbase section 32 are sloped downwardly and outwardly and therefore direct moisture received thereon away frominterior 110 ofwall 106 and toward downwardly-extendingexterior flanges interstitial space 116 betweensheathing 120 andexternal wall layer 118 where it is removed fromwall 106 by the venting action facilitated bylower vent assembly 50. -
Lower vent assembly 50 functions to provide ventilation to interstitial space 116 (i.e. to remove moisture therefrom), while simultaneously preventing excess moisture from enteringinterstitial space 116 from theexterior 108 ofwall 106. Air is free to travel into and out ofinterstitial space 116 from theexterior 108 ofwall 106 underhood 63 and throughapertures 72. This air flow ventilatesinterstitial space 116 and tends to remove the moisture that is directed tointerstitial space 116 bysill pan assembly 10 or otherwise.Apertures 72 are preferably sufficiently small to minimize (or at least impair) access tointerstitial space 116 by insects or other pests. In addition to venting throughapertures 72,hood 63 prevents excess moisture, such as from rain or snow, to enterinterstitial space 116 throughapertures 72. Rain or snow received onhood 63 is directed downwardly and outwardly toward anexterior 108 of buildingwall 106. As discussed above, the lowermostouter edge 65hood 63 is exterior toexternal building layer 118.Optional drip flange 62 helps to cause moisture received onhood 63 to pool into drops and to drop away on theexterior 108 ofwall 106. - The operation of
upper vent assembly 200 may best be understood with reference toFIG. 11 .Upper vent assembly 200 and more particularlyapertures 210 ofvent portion 211, provide a venting function forinterstitial space 116 abovewindow opening 104. Air flows throughapertures 210 and into/out ofinterstitial space 116 abovewindow opening 104. This air flow causes moisture ininterstitial space 116 to evaporate and/or otherwise move out ofinterstitial space 116.Hood 203 also protects against moisture penetrating through cracks or the like inwindow opening 104. More particularly,hood 203 tends to direct moisture, such as from rain or snow, towardexterior 108 of buildingwall 106 to prevent such moisture from enteringwindow opening 104. - As will be apparent to those skilled in the art in the light of the foregoing disclosure, many alterations and modifications are possible in the practice of this invention without departing from the spirit or scope thereof. For example:
-
- In the embodiments described above,
sill pan assembly 10 comprises a pair of corner components 11 which may be cut to length and coupled to one another byconnector component 30. In other embodiments,sill pan assembly 10 may comprise a pair of corner components 11 and one or more central components (which may be similar in structure to base sections 14 and, optionally, downwardly-extendingexterior flanges 12 of corner components 11). Such embodiments may also comprisemultiple connector components 30 which join one corner component 11 to a central component or which join a pair of central components to one another.
- In the embodiments described above,
Claims (25)
1. An apparatus for managing moisture in a vicinity of an opening in a building wall, the apparatus comprising:
a sill pan mountable in the building wall atop a horizontally-extending lower frame member of the opening, the sill pan comprising a base section having an upper surface which slopes downwardly and outwardly from interior to a sheathing layer of the building wall to an interstitial space between the sheathing layer and an external building wall layer for directing moisture received thereon toward the interstitial space;
a lower vent mountable in the building wall in a vicinity of a lower perimeter of the window opening, the lower vent comprising: a vent component which defines a plurality of lower vent apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from above the lower vent apertures and from interior to the exterior building wall layer to the exterior of the building wall.
2. An apparatus according to claim 1 wherein the sill pan comprises a plurality of transversely spaced-apart window-support members having upper surfaces located above the upper surface of the base section and oriented substantially horizontally for receiving a lower portion of a window frame.
3. An apparatus according to claim 2 wherein the sill pan comprises an exterior flange extending downwardly from the base section and abutting against an exterior surface of the sheathing layer and a plurality of transversely spaced-apart spacers having exterior surfaces that are located exterior to an exterior surface of the exterior flange and wherein at least a portion of the lower flange portion of the window frame abuts against the exterior surfaces of the spacers.
4. An apparatus according to claim 3 wherein the sill pan comprises a plurality of transversely spaced-apart legs which extend downwardly from the base section to abut against an upper surface of the horizontally-extending lower frame member so that portions of the base section located between the transversely spaced-apart legs are vertically spaced-apart from the upper surface of the horizontally-extending lower frame member.
5. An apparatus according to claim 4 wherein the sill pan comprises a pair of corner components, each corner component formed from a monolithic piece of material and each corner component comprising: a corner base section mountable atop the horizontally-extending lower frame member of the opening to provide at least a portion of the base section; one or more corner window-support members having upper surfaces located above the upper surface of the corner base section to provide one or more of the window-support members; a corner exterior flange extending downwardly from the corner base section and abutting against the exterior surface of the sheathing layer to provide at least a portion of the exterior flange; one or more corner spacers having exterior surfaces that are located exterior to an exterior surface of the corner exterior flange to provide one or more of the spacers; and one or more corner legs which extend downwardly from the corner base section to provide one or more of the legs.
6. An apparatus according to claim 5 wherein each corner component comprises: a side flange which extends upwardly from the corner base section to abut against a corresponding side of a corresponding vertically-extending frame member of the opening; and an upwardly-extending exterior flange which extends upwardly and transversely away from the corner base section to abut against one of: the exterior surface of the sheathing layer; and a corresponding exterior surface of the corresponding vertically-extending frame member.
7. An apparatus according to claim 6 wherein, for each corner component, the side flange comprises a portion which extends below the corner base section to abut against the upper surface of the horizontally-extending lower frame member.
8. An apparatus according to claim 5 wherein the sill pan comprises a connector component for connecting to both of the corner components, the connector component comprising a connector base section mountable atop the horizontally-extending lower frame member of the opening to provide at least a portion of the base section.
9. An apparatus according to claim 8 wherein the connector component comprises one or more connector window-support members having upper surfaces located above the upper surface of the connector base section to provide one or more of the window-support members.
10. An apparatus according to claim 8 wherein the connector component comprises: a connector exterior flange that extends downwardly from the connector base section and abuts against the exterior surface of the sheathing layer; one or more connector spacers having exterior surfaces that are located exterior to an exterior surface of the connector exterior flange to provide one or more of the spacers; and one or more connector legs which extend downwardly from the corner base section to provide one or more of the legs.
11. An apparatus according to claim 8 wherein the connector component comprises a pair of wings that extend from the connector base section in transversely opposing directions and each corner component comprises one or more notches for receiving a corresponding one of the wings to form a resilient snap-together coupling between the corresponding one of the wings of the connector component and the one or more notches of each corner component.
12. An apparatus according to claim 11 wherein each of the one or more notches of each corner component is located in a corresponding one of the corner window-support members.
13. An apparatus according to claim 1 wherein the hood comprises: an upper hood portion that extends outwardly and downwardly from above the lower vent apertures and from a vertically and transversely-extending lower window flange on the lower portion of the window frame located interior to the exterior building wall layer; and an exterior hood portion that extends outwardly and downwardly from an outermost extent of the upper hood portion to the exterior of the building wall and wherein the exterior hood portion extends more sharply downwardly than the upper hood portion.
14. An apparatus according to claim 13 wherein the exterior hood portion comprises a drip flange at its outermost and lowermost end, the drip flange also extending downwardly and outwardly and wherein the drip flange extends downwardly more sharply than the upper hood portion and less sharply than a remainder of the exterior hood portion and wherein the lowermost edge of the drip flange is located below the lower vent apertures.
15. An apparatus according to claim 13 wherein the vent component and the hood are integrally formed from a single monolithic piece of material.
16. An apparatus according to claim 1 comprising an upper vent mountable in the building wall in a vicinity of an upper perimeter of the opening, the upper vent comprising an upper vent component which defines a plurality of upper vent apertures that provide fluid communication between the exterior of the building wall and the interstitial space located above the window; and an upper vent hood shaped to extend downwardly and outwardly from interior to the exterior building wall layer to the exterior of the building wall.
17. An apparatus according to claim 16 wherein the upper vent hood is located below the upper vent apertures.
18. An apparatus according to claim 6 wherein the sill pan also comprises one or more central components, each central component comprising: a central base section mountable atop the horizontally-extending lower frame member of the opening to provide at least a portion of the base section; and one or more central window-support members having upper surfaces located above the upper surface of the central base section to provide one or more of the window-support members.
19. An apparatus according to claim 18 wherein each central component comprises: a central exterior flange extending downwardly from the central base section and abutting against the exterior surface of the sheathing layer to provide at least a portion of the exterior flange; one or more central spacers having exterior surfaces that are located exterior to an exterior surface of the central exterior flange to provide one or more of the spacers; and one or more central legs which extend downwardly from the central base section to provide one or more of the legs.
20. An apparatus according to claim 18 wherein the sill pan comprises a connector component for connecting one of the corner components to one of the central components, the connector component comprising a connector base section mountable atop the horizontally-extending lower frame member of the opening to provide at least a portion of the base section.
21. An apparatus according to claim 20 wherein the connector component comprises A pair of wings that extend from the connector base section in transversely opposing directions, wherein the one of the corner components comprises one or more notches in one or more of their corresponding corner window-support members for receiving a corresponding one of the wings and forming a resilient snap-together coupling therebetween and wherein the one of the central components comprises one or more notches in one or more of their corresponding central window-support members for receiving a corresponding one of the wings and forming a resilient snap-together coupling therebetween.
22. An apparatus for managing moisture in a vicinity of a window opening in a building wall, the apparatus comprising:
a pair of corner components, each corner component comprising: a corner base section mountable atop a horizontally-extending lower frame member of the window opening and having an upper surface which slopes downwardly and outwardly from interior of a sheathing layer of the building wall to an interstitial space between the sheathing layer and an external building wall layer for directing moisture received thereon toward the interstitial space; a plurality of transversely spaced-apart corner window support members having upper surfaces located above the upper surface of the corner base section and oriented substantially horizontally for receiving a lower portion of a window frame; a corner exterior flange extending downwardly from the corner base section and abutting against an exterior surface of sheathing layer; and a plurality of transversely spaced-apart corner spacers having exterior surfaces that are located exterior to an exterior surface of the corner exterior flange and wherein at least a portion of the window frame abuts against the exterior surfaces of the corner spacers; and
a connector component for connecting to both of the corner components, the connector component comprising a connector base section and a pair of wings that extend from the connector base section in transversely opposing directions to form snap-together couplings between a corresponding one of the wings and one or more notches on each of the corner components.
23. An apparatus according to claim 22 comprising a lower vent mountable in the building wall in a vicinity of a lower perimeter of the window opening, the lower vent comprising: a vent component which defines a plurality of lower vent apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from above the lower vent apertures and from interior to the exterior building wall layer to the exterior of the building wall.
24. A method for managing moisture in a vicinity of a window opening of a building wall, the method comprising:
creating an interstitial space between a sheathing layer of the building wall and an external building wall layer;
mounting a sill pan in the building wall atop a horizontally-extending lower frame member of the window opening, the sill pan comprising: a base section having an upper surface which slopes downwardly and outwardly from a location interior to the sheathing layer to the interstitial space for directing moisture received thereon toward the interstitial space; and a plurality of transversely spaced-apart window-support members having substantially horizontally oriented upper surfaces located above the upper surface of the base section;
installing a window in the window opening such that at least part of lower portion of the window frame is positioned atop the upper surfaces of the window-support members;
mounting a lower vent in the building wall in a vicinity of a lower perimeter of the window opening, the lower vent comprising: a vent component which defines a plurality of lower vent apertures that provide fluid communication between an exterior of the building wall and the interstitial space; and a hood shaped to extend downwardly and outwardly from above the lower vent apertures and from interior to the exterior building wall layer to the exterior of the building wall; and
applying the external building wall layer to the building wall, the external building wall layer overlapping a lower portion of the vent component below the lower vent apertures.
25. A method according to claim 24 comprising mounting an upper vent in the building wall in a vicinity of an upper perimeter of the window opening, the upper vent comprising an upper vent component which defines a plurality of upper vent apertures that provide fluid communication between the exterior of the building wall and the interstitial space located above the window; and an upper vent hood shaped to extend downwardly and outwardly from interior to the exterior building wall layer to the exterior of the building wall.
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CA2638642A CA2638642C (en) | 2007-08-28 | 2008-08-12 | Moisture management systems and methods for building openings |
Applications Claiming Priority (1)
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140041316A1 (en) * | 2012-08-10 | 2014-02-13 | Steven A. Norwood | Prefabricated Flashing Product |
USD748826S1 (en) | 2012-08-10 | 2016-02-02 | Norwood Architecture, Inc. | Window flashing product |
US20170204654A1 (en) * | 2016-01-15 | 2017-07-20 | Endura Products, Inc. | Sill pan |
US9745789B2 (en) | 2012-08-10 | 2017-08-29 | Norwood Architecture, Inc. | Prefabricated flashing product |
US9745790B2 (en) | 2012-08-10 | 2017-08-29 | Norwood Architecture, Inc. | Prefabricated flashing product |
US9982477B1 (en) * | 2017-04-25 | 2018-05-29 | Sill Dry Industries, LLC | Expandable, one-piece sill pan flashing |
US10024097B1 (en) | 2017-04-25 | 2018-07-17 | Sill Dry Industries, LLC | One-piece sill pan flashing |
US10161179B2 (en) | 2015-11-13 | 2018-12-25 | Norwood Architecture, Inc. | Three-dimensional prefabricated flashing scaffolding system |
US10900272B2 (en) | 2018-04-24 | 2021-01-26 | Sill Dry Industries, LLC | One-piece sill pan flashing |
Citations (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US502991A (en) * | 1893-08-08 | phillips | ||
US3638372A (en) * | 1969-07-02 | 1972-02-01 | Carl Rosenthal | Window sash rebate profile with a condensate reception gutter |
US3686813A (en) * | 1970-05-04 | 1972-08-29 | Hoechst Ag | Wall covering defining a continuous ventilating conduit |
US3844077A (en) * | 1972-05-11 | 1974-10-29 | L Vance | Building wall assembly with weepage channels |
USD248243S (en) * | 1976-09-30 | 1978-06-20 | South Donald A | Siding base starter strip |
USD271713S (en) * | 1980-03-24 | 1983-12-06 | Hicks Robert M | Combined starter vent and water shedding ventilation strip |
US4492062A (en) * | 1981-06-11 | 1985-01-08 | Pierre Levenez | Window sill |
US4555882A (en) * | 1983-10-20 | 1985-12-03 | Moffitt Gregory A | Moisture guard for window frames, door jambs and the like |
US4607471A (en) * | 1984-11-08 | 1986-08-26 | Construction Specialties, Inc. | Panel wall system |
US4643080A (en) * | 1985-06-24 | 1987-02-17 | Aluminum Company Of America | Roof ridge ventilator system |
US4686803A (en) * | 1983-02-28 | 1987-08-18 | Elf Isolation | Cladding element for outer facades, and application thereof |
US4765107A (en) * | 1987-10-19 | 1988-08-23 | Ting Raymond M L | Vertical joint sealing of horizontal wall panels |
US4840004A (en) * | 1988-07-21 | 1989-06-20 | Ting Raymond M L | Externally drained wall joint design |
US5586415A (en) * | 1994-06-03 | 1996-12-24 | Fisher; Fred M. | Flashing device for use with exterior siding |
US5598671A (en) * | 1995-02-09 | 1997-02-04 | Ting; Raymond M. L. | Externally drained wall joint |
US5657585A (en) * | 1995-12-07 | 1997-08-19 | Zmc, Inc. | Combination siding panel-trimming and soffit-panel mounting member |
US5809731A (en) * | 1997-06-19 | 1998-09-22 | Reiss; David R. | Building wall drainage apparatus |
US5822933A (en) * | 1997-01-23 | 1998-10-20 | Advanced Construction Technologies, Inc. | Method and apparatus for wall drainage |
US5836135A (en) * | 1997-01-31 | 1998-11-17 | Hagan; Joseph R. | Drainage track |
US5937600A (en) * | 1997-02-27 | 1999-08-17 | Plastic Components, Inc. | Exterior wall system and drip channel |
US5946870A (en) * | 1998-04-14 | 1999-09-07 | Vinyl Corporation | Panel support construction accessory |
US5970671A (en) * | 1998-04-14 | 1999-10-26 | Vinyl Corporation | Construction accessory |
US6041560A (en) * | 1998-09-18 | 2000-03-28 | Plastic Components, Inc. | Variable width sill support |
US6052959A (en) * | 1998-03-18 | 2000-04-25 | Labrosse; Paul A. | Moisture vent |
US6098343A (en) * | 1998-10-05 | 2000-08-08 | Brown; Glenn E. | Gutter for window and door openings of a building structure |
US6119416A (en) * | 1999-01-30 | 2000-09-19 | Plastic Components, Inc. | Flashing system |
US6170207B1 (en) * | 1998-04-24 | 2001-01-09 | Michael Lee Saindon | Frame with water stop and method of installation |
US6182405B1 (en) * | 1999-12-08 | 2001-02-06 | Marzeu Artistic Aluminum Ltd | Window frame structure |
US6223488B1 (en) * | 1999-12-09 | 2001-05-01 | Crane Plastics Siding Llc | Vented siding |
US6293064B1 (en) * | 1999-08-17 | 2001-09-25 | Plastic Components, Inc. | Moisture management system |
US6298609B1 (en) * | 1998-04-14 | 2001-10-09 | Vinyl Corp. | Construction system with panel support accessory |
US20020046536A1 (en) * | 2000-08-22 | 2002-04-25 | Nichiha Co., Ltd. | Fastening member and siding boards attachment structure |
US6385932B1 (en) * | 2001-01-26 | 2002-05-14 | Ugo L. Melchiori | Streamlined weep screed |
US6385925B1 (en) * | 1999-12-16 | 2002-05-14 | Scott Arthur Wark | Window drain |
US6401401B1 (en) * | 2000-10-20 | 2002-06-11 | Mark F. Williams | Multi-component flashing systems |
US6470638B1 (en) * | 2000-08-24 | 2002-10-29 | Plastics Components, Inc. | Moisture management system |
US20030005644A1 (en) * | 2001-07-06 | 2003-01-09 | Reithmeyer Joseph Guy | Adjustable door with sealed threshold, hinge and frame |
US20030131552A1 (en) * | 2002-01-15 | 2003-07-17 | Franz Leichtfried | Siding system |
US20030177725A1 (en) * | 2002-03-20 | 2003-09-25 | Gatherum Roy Dean | Flange and drip edge integrated with window frame |
US6789359B2 (en) * | 2001-12-10 | 2004-09-14 | Merrill Millwork, Inc. | Weeped end plug for sill assembly |
US6792725B1 (en) * | 2002-09-10 | 2004-09-21 | Flannery Inc. | Vent device for a wall structure |
US6843032B2 (en) * | 2000-10-12 | 2005-01-18 | Nichiha Co., Ltd. | Siding boards attachment structure and starter fitting |
USD503227S1 (en) * | 2004-01-14 | 2005-03-22 | Certainteed Corporation | Soffit accessory strip vent with integrated undersill |
USD503226S1 (en) * | 2004-01-14 | 2005-03-22 | Certainteed Corporation | Soffit accessory strip vent with integrated soffit receiver and integrated undersill |
USD503470S1 (en) * | 2004-01-14 | 2005-03-29 | Certainteed Corporation | Soffit accessory strip vent with semi-hidden vent |
USD503469S1 (en) * | 2004-01-14 | 2005-03-29 | Certainteed Corporation | Soffit accessory strip vent with semi-hidden vent system with integrated soffit receiver |
US20050144865A1 (en) * | 2003-12-17 | 2005-07-07 | Ellingson Robert T. | Sill pan system |
US20050144856A1 (en) * | 2003-12-19 | 2005-07-07 | Conlin Kelly J. | Device and method for moisture control |
US20050166470A1 (en) * | 2004-01-07 | 2005-08-04 | Allen L. R. | Corner flashing for windows and the like |
US20050166529A1 (en) * | 2004-01-14 | 2005-08-04 | Rodolofo Saul L. | Hidden ventilation trim accessory |
US6938383B2 (en) * | 2002-11-15 | 2005-09-06 | Diversi-Plast Products, Inc. | Vented furring strip |
US20050268569A1 (en) * | 2004-06-02 | 2005-12-08 | Mishko Teodorovich | Apparatus and method for door and window head flashing |
US7137224B2 (en) * | 2004-02-16 | 2006-11-21 | Quality Edge, Inc. | Vented soffit panel and method for buildings and like |
US20070094957A1 (en) * | 2005-10-14 | 2007-05-03 | Pella Corporation | High performance window and door installation |
US20070214738A1 (en) * | 2006-03-20 | 2007-09-20 | Juergen Koessler | Extendable drip edge |
US20080229676A1 (en) * | 2007-03-20 | 2008-09-25 | Allen L Ross | Sill Flashing and Associated Method |
US7669382B2 (en) * | 2005-03-25 | 2010-03-02 | Pella Corporation | Window installation method |
-
2007
- 2007-08-28 US US11/846,487 patent/US20090056241A1/en not_active Abandoned
-
2008
- 2008-08-12 CA CA2638642A patent/CA2638642C/en not_active Expired - Fee Related
Patent Citations (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US502991A (en) * | 1893-08-08 | phillips | ||
US3638372A (en) * | 1969-07-02 | 1972-02-01 | Carl Rosenthal | Window sash rebate profile with a condensate reception gutter |
US3686813A (en) * | 1970-05-04 | 1972-08-29 | Hoechst Ag | Wall covering defining a continuous ventilating conduit |
US3844077A (en) * | 1972-05-11 | 1974-10-29 | L Vance | Building wall assembly with weepage channels |
USD248243S (en) * | 1976-09-30 | 1978-06-20 | South Donald A | Siding base starter strip |
USD271713S (en) * | 1980-03-24 | 1983-12-06 | Hicks Robert M | Combined starter vent and water shedding ventilation strip |
US4492062A (en) * | 1981-06-11 | 1985-01-08 | Pierre Levenez | Window sill |
US4686803A (en) * | 1983-02-28 | 1987-08-18 | Elf Isolation | Cladding element for outer facades, and application thereof |
US4555882A (en) * | 1983-10-20 | 1985-12-03 | Moffitt Gregory A | Moisture guard for window frames, door jambs and the like |
US4607471A (en) * | 1984-11-08 | 1986-08-26 | Construction Specialties, Inc. | Panel wall system |
US4643080A (en) * | 1985-06-24 | 1987-02-17 | Aluminum Company Of America | Roof ridge ventilator system |
US4765107A (en) * | 1987-10-19 | 1988-08-23 | Ting Raymond M L | Vertical joint sealing of horizontal wall panels |
US4840004A (en) * | 1988-07-21 | 1989-06-20 | Ting Raymond M L | Externally drained wall joint design |
US5586415A (en) * | 1994-06-03 | 1996-12-24 | Fisher; Fred M. | Flashing device for use with exterior siding |
US5598671A (en) * | 1995-02-09 | 1997-02-04 | Ting; Raymond M. L. | Externally drained wall joint |
US5657585A (en) * | 1995-12-07 | 1997-08-19 | Zmc, Inc. | Combination siding panel-trimming and soffit-panel mounting member |
US5822933A (en) * | 1997-01-23 | 1998-10-20 | Advanced Construction Technologies, Inc. | Method and apparatus for wall drainage |
US5921038A (en) * | 1997-01-23 | 1999-07-13 | Advanced Construction Technologies, Inc. | Diverter for wall drainage |
US5836135A (en) * | 1997-01-31 | 1998-11-17 | Hagan; Joseph R. | Drainage track |
US5937600A (en) * | 1997-02-27 | 1999-08-17 | Plastic Components, Inc. | Exterior wall system and drip channel |
US5809731A (en) * | 1997-06-19 | 1998-09-22 | Reiss; David R. | Building wall drainage apparatus |
US6052959A (en) * | 1998-03-18 | 2000-04-25 | Labrosse; Paul A. | Moisture vent |
US5946870A (en) * | 1998-04-14 | 1999-09-07 | Vinyl Corporation | Panel support construction accessory |
US5970671A (en) * | 1998-04-14 | 1999-10-26 | Vinyl Corporation | Construction accessory |
US6298609B1 (en) * | 1998-04-14 | 2001-10-09 | Vinyl Corp. | Construction system with panel support accessory |
US6119429A (en) * | 1998-04-14 | 2000-09-19 | Vinyl Corp. | Construction system and accessory |
US6170207B1 (en) * | 1998-04-24 | 2001-01-09 | Michael Lee Saindon | Frame with water stop and method of installation |
US6041560A (en) * | 1998-09-18 | 2000-03-28 | Plastic Components, Inc. | Variable width sill support |
US6098343A (en) * | 1998-10-05 | 2000-08-08 | Brown; Glenn E. | Gutter for window and door openings of a building structure |
US6119416A (en) * | 1999-01-30 | 2000-09-19 | Plastic Components, Inc. | Flashing system |
US6293064B1 (en) * | 1999-08-17 | 2001-09-25 | Plastic Components, Inc. | Moisture management system |
US6182405B1 (en) * | 1999-12-08 | 2001-02-06 | Marzeu Artistic Aluminum Ltd | Window frame structure |
US6223488B1 (en) * | 1999-12-09 | 2001-05-01 | Crane Plastics Siding Llc | Vented siding |
US6385925B1 (en) * | 1999-12-16 | 2002-05-14 | Scott Arthur Wark | Window drain |
US20020046536A1 (en) * | 2000-08-22 | 2002-04-25 | Nichiha Co., Ltd. | Fastening member and siding boards attachment structure |
US6470638B1 (en) * | 2000-08-24 | 2002-10-29 | Plastics Components, Inc. | Moisture management system |
US6843032B2 (en) * | 2000-10-12 | 2005-01-18 | Nichiha Co., Ltd. | Siding boards attachment structure and starter fitting |
US6401401B1 (en) * | 2000-10-20 | 2002-06-11 | Mark F. Williams | Multi-component flashing systems |
US6385932B1 (en) * | 2001-01-26 | 2002-05-14 | Ugo L. Melchiori | Streamlined weep screed |
US20030005644A1 (en) * | 2001-07-06 | 2003-01-09 | Reithmeyer Joseph Guy | Adjustable door with sealed threshold, hinge and frame |
US6789359B2 (en) * | 2001-12-10 | 2004-09-14 | Merrill Millwork, Inc. | Weeped end plug for sill assembly |
US20030131552A1 (en) * | 2002-01-15 | 2003-07-17 | Franz Leichtfried | Siding system |
US20030177725A1 (en) * | 2002-03-20 | 2003-09-25 | Gatherum Roy Dean | Flange and drip edge integrated with window frame |
US6792725B1 (en) * | 2002-09-10 | 2004-09-21 | Flannery Inc. | Vent device for a wall structure |
US6938383B2 (en) * | 2002-11-15 | 2005-09-06 | Diversi-Plast Products, Inc. | Vented furring strip |
US20050144865A1 (en) * | 2003-12-17 | 2005-07-07 | Ellingson Robert T. | Sill pan system |
US20050144856A1 (en) * | 2003-12-19 | 2005-07-07 | Conlin Kelly J. | Device and method for moisture control |
US20050166471A1 (en) * | 2004-01-07 | 2005-08-04 | Allen L. R. | Flashings for windows and the like |
US20050166470A1 (en) * | 2004-01-07 | 2005-08-04 | Allen L. R. | Corner flashing for windows and the like |
USD503227S1 (en) * | 2004-01-14 | 2005-03-22 | Certainteed Corporation | Soffit accessory strip vent with integrated undersill |
USD503470S1 (en) * | 2004-01-14 | 2005-03-29 | Certainteed Corporation | Soffit accessory strip vent with semi-hidden vent |
US20050166529A1 (en) * | 2004-01-14 | 2005-08-04 | Rodolofo Saul L. | Hidden ventilation trim accessory |
USD503226S1 (en) * | 2004-01-14 | 2005-03-22 | Certainteed Corporation | Soffit accessory strip vent with integrated soffit receiver and integrated undersill |
USD503469S1 (en) * | 2004-01-14 | 2005-03-29 | Certainteed Corporation | Soffit accessory strip vent with semi-hidden vent system with integrated soffit receiver |
US7137224B2 (en) * | 2004-02-16 | 2006-11-21 | Quality Edge, Inc. | Vented soffit panel and method for buildings and like |
US20050268569A1 (en) * | 2004-06-02 | 2005-12-08 | Mishko Teodorovich | Apparatus and method for door and window head flashing |
US7676996B2 (en) * | 2004-06-02 | 2010-03-16 | Mishko Teodorovich | Apparatus and method for door and window head flashing |
US7669382B2 (en) * | 2005-03-25 | 2010-03-02 | Pella Corporation | Window installation method |
US20070094957A1 (en) * | 2005-10-14 | 2007-05-03 | Pella Corporation | High performance window and door installation |
US7490441B2 (en) * | 2005-10-14 | 2009-02-17 | Pella Corporation | High performance window and door installation |
US20070214738A1 (en) * | 2006-03-20 | 2007-09-20 | Juergen Koessler | Extendable drip edge |
US20080229676A1 (en) * | 2007-03-20 | 2008-09-25 | Allen L Ross | Sill Flashing and Associated Method |
US7775004B2 (en) * | 2007-03-20 | 2010-08-17 | Allen L Ross | Sill flashing and associated method |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8959842B2 (en) * | 2012-08-10 | 2015-02-24 | Norwood Architecture, Inc. | Prefabricated flashing product |
US9194171B2 (en) | 2012-08-10 | 2015-11-24 | Norwood Architecture, Inc. | Prefabricated flashing product |
USD748826S1 (en) | 2012-08-10 | 2016-02-02 | Norwood Architecture, Inc. | Window flashing product |
US11560748B2 (en) * | 2012-08-10 | 2023-01-24 | Norwood Architecture, Inc. | Prefabricated flashing product |
US9745789B2 (en) | 2012-08-10 | 2017-08-29 | Norwood Architecture, Inc. | Prefabricated flashing product |
US9745790B2 (en) | 2012-08-10 | 2017-08-29 | Norwood Architecture, Inc. | Prefabricated flashing product |
US9771753B2 (en) | 2012-08-10 | 2017-09-26 | Norwood Architecture, Inc. | Prefabricated flashing product |
US20140041316A1 (en) * | 2012-08-10 | 2014-02-13 | Steven A. Norwood | Prefabricated Flashing Product |
US9909352B2 (en) | 2012-08-10 | 2018-03-06 | Norwood Architecture, Inc. | Prefabricated flashing product |
US20180195336A1 (en) * | 2012-08-10 | 2018-07-12 | Norwood Architecture, Inc. | Prefabricated Flashing Product |
US10161179B2 (en) | 2015-11-13 | 2018-12-25 | Norwood Architecture, Inc. | Three-dimensional prefabricated flashing scaffolding system |
US10501980B2 (en) | 2015-11-13 | 2019-12-10 | Norwood Architecture, Inc. | Three-dimensional prefabricated flashing scaffolding system |
US9845634B2 (en) * | 2016-01-15 | 2017-12-19 | Endura Products, Inc. | Sill pan |
USRE48723E1 (en) * | 2016-01-15 | 2021-09-07 | Endura Products, Llc | Sill pan |
US20170204654A1 (en) * | 2016-01-15 | 2017-07-20 | Endura Products, Inc. | Sill pan |
WO2018200491A1 (en) * | 2017-04-25 | 2018-11-01 | Sill Dry Industries, LLC | One-piece sill pan flashing |
US10024097B1 (en) | 2017-04-25 | 2018-07-17 | Sill Dry Industries, LLC | One-piece sill pan flashing |
US9982477B1 (en) * | 2017-04-25 | 2018-05-29 | Sill Dry Industries, LLC | Expandable, one-piece sill pan flashing |
US10900272B2 (en) | 2018-04-24 | 2021-01-26 | Sill Dry Industries, LLC | One-piece sill pan flashing |
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CA2638642C (en) | 2011-11-15 |
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Owner name: PRIMEX MANUFACTURING LTD., CANADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOESSLER, JUERGEN, MR.;CHAN, JAMES CHUN NAM, MR.;SIKURA, BORIS, MR.;REEL/FRAME:020522/0878 Effective date: 20080208 |
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