US20200217063A1 - Wall/Roof Construction System and Related Method - Google Patents
Wall/Roof Construction System and Related Method Download PDFInfo
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- US20200217063A1 US20200217063A1 US16/822,614 US202016822614A US2020217063A1 US 20200217063 A1 US20200217063 A1 US 20200217063A1 US 202016822614 A US202016822614 A US 202016822614A US 2020217063 A1 US2020217063 A1 US 2020217063A1
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- barrier layer
- sidewall panel
- water barrier
- sheeting system
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/526—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings
- E04C2/528—Impervious or hermetic panels not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/388—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of other materials, e.g. fibres, plastics
Definitions
- This invention pertains to sheeting systems (especially non-structural) for insulated wall systems.
- this construction system incorporates a water resistive barrier to sheeting layer that enables the water resistive barrier to be installed in a top-over-bottom overlapping fashion for managing top or side bulk water.
- Further preferred versions of this invention also possess an ability to serve as an air barrier.
- sheeting In residential and commercial construction, sheeting is typically attached over the building's framework. Such sheeting is typically installed in horizontal rows with reoccurring row joints being purposefully staggered. After the sheeting layers are installed, a water resistive barrier is usually applied thereabout to protect against bulk water penetration. See, prior art FIGS. 1A-C for examples of several known barrier layer application techniques.
- barrier layers can also be quite difficult to apply or handle in adverse weather conditions.
- Several popular water resistant barriers are made and sold in roll forms that take two to three people to install.
- the present invention by contrast, can be installed with one or two men, in only one trip about the building, with little labor and no additional set-up time.
- Some structural and nonstructural sheeting products qualify as a water resistive barrier by physically taping the seams after all of the individual panels are installed. That requires installers to make TWO trips around the building. See, FIGS. 1A and B.
- Some known sheet products have a water resistant barrier added to the exterior skin of a wood, wood/composite core like Huber ZIP system or Georgia Pacific's ForceField. Note, however, that the outer skins to such panel products are sized the exact same as the panels themselves, i.e. with absolutely no overlap whatsoever. Others are composed of an insulated material that is water resistant the whole way through such as XPS insulation. Still others have a water resistant skin like EPS or Polyiso.
- any piece left over after cutting a typical 4 ⁇ 8 sheet panel is a waste piece that would have to be thrown away even if it is a majority of the panel. This will lead to a large waste factor. Also once one starts to lay panels on the Byrd roof, every panel (and both flaps) will have to run the same way with the two flaps pointing in the same direction or have one or more seams may be left unprotected. A four flap system is much more directionally forgiving.
- the Byrd system with just one or two flaps limits the ability to cut pieces and use the leftover material. Once a piece has been cut fit into an area, the leftover piece without two flaps is no longer usable with his prior art system.
- the system of this invention has four flaps so you can actually cut a construction panel into as many as four pieces and still have two flaps to connect adjoining panels to one another. With the present invention, if one cuts a piece with only one flap remaining (using 5 or more pieces out of one panel), you can still use it beside a uncut panel because the new panel has an extra flap of waterproofing material to cover the waste piece with one or no flaps. In-field installs with this new panel system, we have had jobs with little to no waste because of panels with FOUR (perimeter) flaps.
- Applicant's system can be used sealed or non-sealed. When sealed, this system is can serve as both a water barrier AND an air barrier.
- a wall section is much more detailed than a roof section.
- a typical door or window can cause as many as 6 panels to be cut for panel installation. If one would only need a small (one foot) section of panel, the installer might be throwing away seven feet of unusable remainder with a two flap system.
- the present system by contrast, creates much less waste (if any) and never leaves an upward facing seam.
- the present four-flap system saves a lot in materials and labor. It also minimizes waste that might otherwise end up in a landfill.
- a 4 flap arrangement required 32% fewer sheets to cover the same wall area than would be needed with a 2 flap—only configuration—( 22 ) 4 flap sheets versus ( 29 ) 2 flap sheets. Depending on the thickness of sheet material used, one would see an immediate materials savings of from $315 to $560 for just one wall.
- This invention comprises a wall or roof sheathing with purposefully overlapping barriers along all four lateral sides to a given insulative sheet product hereunder.
- This system has vapor/moisture permeability unless used for hot, humid climates. In the latter instances, the preceding permeability would be replaced with inclusion of a vapor barrier layer. In either case, an improved installation method results.
- the system comprises insulated nonstructural panels in the form of sidewall sheeting.
- Each panel under this invention has an intentionally overlaying water resistant barrier bonded permanently to the panel, that overlaying barrier being wider and/or longer than the immediately adjacent sheeting to which it is attached (or pre-attached).
- the purposefully overlapping water resistant barrier sections occur along all four lateral edges.
- one horizontal (and possibly one of the two vertical) extending joint overlaps be trimmed or cut away upon panel installation (i.e. before the next panel sheet is installed above it and/or to its right (or left)) so as to not risk creating any areas of unsecured barrier layer overlaps behind which moisture/water may accumulate. See, for example, the cutaway preferences spelled out in the accompanying FIG. 9 installation instructions.
- this invention will enable shedding water in a shingling effect.
- each upper layer of sheeting that overlaps its lower layers there beneath will direct bulk water down and away from the building and into the drainage plane using gravity to move waters away from adjacent panel joints.
- this invention can further serve as an air barrier.
- FIG. 1A is a front plan view of a first prior art system of taping over the seams of adjoining structural panels for water seepage prevention;
- FIG. 1B is a front plan view of a second prior art system of taping over the seams of adjoining insulation sheets for water seepage prevention;
- FIG. 1C is a front plan view of a third prior art system that staples (or nails) waterproofing papers, in a shingling manner, over the outside of a paneled structure;
- FIG. 2 is a side perspective view of one embodiment of construction panel according to the present invention, this view showing its overlap with adjacent panels;
- FIG. 3 is a top plan view of the rearmost panel from FIG. 2 ;
- FIG. 4 is a bottom plan view of the same panel from FIG. 3 ;
- FIG. 5 is a side plan view of that same representative panel
- FIG. 6 is a top plan view of a first alternative which has overlap on only 3 of four lateral edges;
- FIG. 7 is a top plan view of a second alternative, that shows a panel of this invention with the least amount of panel overlaps, i.e. on two (adjacent) lateral edges;
- FIG. 8 is a top plan view of a third alternative showing a barrier layer, panel overlap along just one lateral side of the panel.
- FIG. 9 is a front plan view showing one preferred method of multiple panel installations with preferred trimming directions for excess adjacent overlaps.
- FIG. 1A shows a representative section of wall framing F to which is mounted a first exterior wall panel P 1 , a second panel P 2 and a third exterior panel P 3 . To the inside of this same framing F would be mounted a section of interior drywall I in some instances.
- builders routinely apply a length of waterproof taping T to fully cover the seams (shown with dashed lines S in FIG. 1A ) between adjacent panels. Sometimes additional taping T 2 is used to cover possible tears or damaged areas of a given wall panel, often at or near the panel's edge.
- FIG. 1B another view of seam taping T is shown on adjacent wall panels P 1 , P 2 , P 3 and P 4 that may be adhered to the underlying framing F, as is the case with uppermost panels P 1 and P 2 , OR mechanically secured to the framing F, as is the case with the securement screws or nails N used to affix lower down panels P 3 and P 4 to framing F before their respective seams S are covered with taping T in a time and labor intensive, second step/pass operation about the entire construction exterior.
- FIG. 1C shows another known alternative (already in practice).
- panels P to the exterior of framing F are first covered over, with adjoining sections of waterproof papers W 1 and W 2 , in a knowing, purposeful shingle-style pattern, namely, that each lower waterproof paper has its uppermost edge E covered with the lowermost edge L of the section of waterproof paper W 1 directly above it in order for any water that may get behind the building's outermost siding layer (not shown) to flow “downhill” with gravity.
- These respective sections of waterproof paper W 1 , W 2 are then stapled or nailed to the framing F.
- the properly shingled panels of this invention do not rely on tape for sealing out moisture.
- the larger water-resistant barriers (above) overlap the sheeting layers below and to the sides making for a proper shingle fashion installation.
- FIGS. 2 through 5 there is shown a first preferred embodiment of the present invention. It consists of a wall panel WP 1 for attaching to a building wall (or roof, in another variation of this invention) frame/framing (not seen in this view).
- Wall panel WP 1 consists of an underlayment of wall panel material M (sheeting, wood, insulation (either foamed OR sheet), fiberglass-faced gypsum sheathing, etc.) onto which is affixed (by gluing, nailing or stapling) an oversized sheet of water resistant barrier product WRB.
- wall panel material M sheeting, wood, insulation (either foamed OR sheet), fiberglass-faced gypsum sheathing, etc.
- Wall panel WP 1 would be fitted, somewhat like a puzzle piece, so that its overlapping edges EL (left), ER (right), ET (top) and EB (bottom) will completely cover the water resistant barrier layers of adjoining wall panels WP 2 , WP 3 and WP 4 .
- the lower of these 3 wall panels are shown with nails N for securing to an underlying frame but it is understood that the wall panels of this invention may be attached by numerous known (or even subsequently developed) panel attaching means.
- the actual perimeter of the wall panel material M in the section of wall panel WP 1 being installed is illustratively marked with dashed lines SL, SR, ST and SB.
- the same carries over for the individual panel (with adjoining sections removed for better illustration) as found at FIGS. 3, 4 and 5 (from the respective top, bottom and side plan views.
- each panel hereunder overlaps its adjoining panels by a minimum of 3 ⁇ 4 inch, more preferably about a 1 to 13 ⁇ 4 or even 2 inches. Depending on the sealants employed, such panel overlaps from about 2, 2.5 to 4 inches thick/wide may be prudent.
- overlapping must consistently occur on at least one lateral edge LE of the underlayment material as per the third alternative of wall panel WP 4 shown in FIG. 8 . More preferably, overlapping occurs on two edges, preferably adjoining like the one horizontal EH and one vertical EV edge per the second variation of wall panel WP 3 at FIG. 7 .
- a three-edge model E 1 , E 2 and E 3 , along respective panel sides S 1 , S 2 and S 3 is also covered by the present invention, as best seen in FIG. 6 . It leaves no overlap along only the bottom side SB of that wall panel WP 2 .
- each panel product should be overlapping outwardly beyond its underlayment (wood, sheet, insulation) on all four sides/edges (or completely about the full perimeter of said underlayment material).
- FIG. 9 for a preferred method of arranging adjacent panels having overlapping edges on all four sides—and note the preferred removal thereof from the top and right sides (in this installation version) so as to NOT create any regions in which water may creep in and/or flow down through a fully installed sidewall of panels according to this invention.
- the section(s) of overlap that serve as the water resistant barrier for this invention may have an adhesive applied (brushed or sprayed) to it right before its on-site installation to a wall or roof structure.
- that adhesive may be pre-applied, i.e., added during the panel's manufacturing process.
- a protective paper or cellophane cover the pre-applied adhesive until ready to apply atop adjoining panel(s) in a shingling manner.
- these same panels can be manufactured without any self-adhesive backing on the overlapping area(s). In that case, such panels would serve more of a properly shingled water resistive barrier (or WRB) only. Building codes require that the WRB layer in a shingle-like fashion.
- This invention is meant to give a proper installed (shingle fashion) water resistant barrier and sheeting in one product!
- Other known products that combine a water resistant barrier and sheeting together still require going back after the panels are installed to either tape over the respective panel joints ( FIGS. 1A and B) or paper over the entirety in a shingled fashion ( FIG. 1C ).
- the known tape alternative is prone to fail leading to water intrusion. And the latter paper “reapply” is both labor intensive AND time consuming.
- the product of this invention allows overlapping seems to be installed contemporaneously, i.e., while installing the sheet panels themselves, giving a better, truer installation and also saving labor/time by not having to do extra trips about a structure to provide subsequent water barrier layers.
- the new sheeting mentioned hereinabove will NOT need any extra material like tape (or tapings) to complete the WRB. Accordingly, it should save substantial installation man-hours for the builder and construction costs for the property owner.
- the reverse side of these purposefully overlapping panel products may be further covered with a radiant barrier material to reflect energy back into the structure and help reduce the costs of heating/cooling that house.
- the reflective surface may be applied either by coating or laminating directly to the panels proper.
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Abstract
This invention comprises an insulative wall sheeting with purposefully overlapping barriers along all four lateral sides to a given sidewall sheet product hereunder. This system has moisture permeability and results in an improved installation method with an insulation rating of R2 or greater. The system comprises nonstructural sidewall panels that are preferably greater than about 1 inch thick.
Description
- This is a continuation-in-part of co-pending U.S. application Ser. No. 16/138,794, filed on Sep. 21, 2018, which was a perfection of U.S. Provisional Application Ser. No. 62/658,818, filed on Apr. 17, 2018, the disclosures of which are both fully incorporated by reference herein.
- This invention pertains to sheeting systems (especially non-structural) for insulated wall systems. Particularly, this construction system incorporates a water resistive barrier to sheeting layer that enables the water resistive barrier to be installed in a top-over-bottom overlapping fashion for managing top or side bulk water. Further preferred versions of this invention also possess an ability to serve as an air barrier.
- In residential and commercial construction, sheeting is typically attached over the building's framework. Such sheeting is typically installed in horizontal rows with reoccurring row joints being purposefully staggered. After the sheeting layers are installed, a water resistive barrier is usually applied thereabout to protect against bulk water penetration. See, prior art
FIGS. 1A-C for examples of several known barrier layer application techniques. - There are many different types of water resistant barriers but most take additional time and labor to install. Some applications of barrier layers can also be quite difficult to apply or handle in adverse weather conditions. Several popular water resistant barriers are made and sold in roll forms that take two to three people to install. The present invention, by contrast, can be installed with one or two men, in only one trip about the building, with little labor and no additional set-up time.
- Some structural and nonstructural sheeting products qualify as a water resistive barrier by physically taping the seams after all of the individual panels are installed. That requires installers to make TWO trips around the building. See,
FIGS. 1A and B. - Some known sheet products have a water resistant barrier added to the exterior skin of a wood, wood/composite core like Huber ZIP system or Georgia Pacific's ForceField. Note, however, that the outer skins to such panel products are sized the exact same as the panels themselves, i.e. with absolutely no overlap whatsoever. Others are composed of an insulated material that is water resistant the whole way through such as XPS insulation. Still others have a water resistant skin like EPS or Polyiso.
- All of the foregoing systems still suffer from a common major fail point, which is the source to a lot of controversy in today's building industry. Taping the horizontal seams goes against all good building practices because it creates a reverse lap (i.e., where the lower layer overlaps the upper layer leaving an upward facing seam). That, in turn, leads to water intrusion into the structure. By merely taping horizontal joints, one is relying on perfect lab quality installations with a further expectation that the adhesives to such joint tapes will never break down. Even when properly installed, such things as dust, dirt, mud, and/or oil from the installer's hands can cause most any reverse joint to fail prematurely. Once the upper edges of such taped joints fail, those edges become a water collection point. Rather than being redirected away, this water will tend to seep into the structure, at these seams, leading to mold, mildew, and structural rot. While the horizontal joints in the foregoing applications are not taped, there is no reverse shingling that happens in the horizontal direction(s).
- There was found a patented product for flexibly wrapping around pipe, that product showing some overlap on two sides for joining to itself (i.e. the same sheet, as opposed to adjoining sheets). But the product of U.S. Pat. No. 6,403,182 was never intended to serve as an air OR WATER barrier around the pipe it wrapped. It was merely a pre-shaped curvature of insulation with some overlapping for joining to itself after being installed about a section of circular piping.
- U.S. Published Application No. 20040226247 to Byrd showed a ROOFING system that used one or two overlapping panels. But his roofing-specific system (which is structural and NOT insulative like the present invention) is inherently flawed. When trying to protect one's building and keep water/weather out, all the edges of a panel must be protected so that nothing gets around them. A system that uses only two overlaying flaps can work for a squared off house. But if an installer has to cut a bunch of panels for fitting around eaves, windows and/or door frames, he/she will never be able to use the leftover pieces that may have only one flap or less. Any piece left over after cutting a typical 4×8 sheet panel is a waste piece that would have to be thrown away even if it is a majority of the panel. This will lead to a large waste factor. Also once one starts to lay panels on the Byrd roof, every panel (and both flaps) will have to run the same way with the two flaps pointing in the same direction or have one or more seams may be left unprotected. A four flap system is much more directionally forgiving.
- The Byrd system with just one or two flaps limits the ability to cut pieces and use the leftover material. Once a piece has been cut fit into an area, the leftover piece without two flaps is no longer usable with his prior art system. The system of this invention has four flaps so you can actually cut a construction panel into as many as four pieces and still have two flaps to connect adjoining panels to one another. With the present invention, if one cuts a piece with only one flap remaining (using 5 or more pieces out of one panel), you can still use it beside a uncut panel because the new panel has an extra flap of waterproofing material to cover the waste piece with one or no flaps. In-field installs with this new panel system, we have had jobs with little to no waste because of panels with FOUR (perimeter) flaps.
- The present system requires gravity to be effective. Applicant's system can be used sealed or non-sealed. When sealed, this system is can serve as both a water barrier AND an air barrier.
- With a four flap system, the installer can place his/her panel in most any direction and still not leave an upward facing seam—you can place one panel horizontally and the panel right beside it vertically if that is desired. Such multi-directional positioning is NOT possible with a one or two flap only panel. The latter requires only one way to position each panel for keeping one flap down so as to not create an undesirable reverse-shingle effect. If one were to place a single panel in a different direction with the prior art Byrd system, this could eventually lead to water intrusion in the house. This would also turn into a huge yield waste factor.
- A wall section is much more detailed than a roof section. There are many openings in a building (house) wall for windows and doors. A typical door or window can cause as many as 6 panels to be cut for panel installation. If one would only need a small (one foot) section of panel, the installer might be throwing away seven feet of unusable remainder with a two flap system. The present system, by contrast, creates much less waste (if any) and never leaves an upward facing seam.
- The present four-flap system saves a lot in materials and labor. It also minimizes waste that might otherwise end up in a landfill. In two, real time examples of using the 4 flap system of this invention as compared to Byrd's two flap panel alternative, a 4 flap arrangement required 32% fewer sheets to cover the same wall area than would be needed with a 2 flap—only configuration—(22) 4 flap sheets versus (29) 2 flap sheets. Depending on the thickness of sheet material used, one would see an immediate materials savings of from $315 to $560 for just one wall.
- For a second, measurable example, the south wall panel layout for Applicant's house, said wall having a bump out and a porch, a side-by-side comparison showed that 40% more 2 flap panels were needed to cover the same area as Applicant's more flexible, 4 flap alternative i.e., less than 25 4-flap sheets needed versus 35 2-flap sheets. Once more, depending on the thickness of sheet material used, that would be an immediate materials savings of from $450 to $800 for just one wall—in materials alone!
- Byrd mentioned using Oriented Strand Board (or OSB) as part of a roofing panel at
page 1,column 2, paragraph [0009] of his specification. But it is erroneous and misleading to refer to Byrd's use of an engineered wood, particle board as being insulative. It has no insulative qualities beyond plywood. It merely provides structural stability, an unnecessary quality for Applicant's insulative sidewall preferences. - There has been significant early commercial success with the introduction of this invention, sold under the trademark ThermalTight™ by Applicant and his company, BRING Building Products, Inc. As production is being surpassed by demand, multiple third party licensing offers are in the works!
- This invention comprises a wall or roof sheathing with purposefully overlapping barriers along all four lateral sides to a given insulative sheet product hereunder. This system has vapor/moisture permeability unless used for hot, humid climates. In the latter instances, the preceding permeability would be replaced with inclusion of a vapor barrier layer. In either case, an improved installation method results. The system comprises insulated nonstructural panels in the form of sidewall sheeting.
- Each panel under this invention has an intentionally overlaying water resistant barrier bonded permanently to the panel, that overlaying barrier being wider and/or longer than the immediately adjacent sheeting to which it is attached (or pre-attached).
- When individual sheets of this invention are installed, the purposefully overlapping water resistant barrier sections occur along all four lateral edges. For situations where three or all four edges are overlapping, it is preferred that one horizontal (and possibly one of the two vertical) extending joint overlaps be trimmed or cut away upon panel installation (i.e. before the next panel sheet is installed above it and/or to its right (or left)) so as to not risk creating any areas of unsecured barrier layer overlaps behind which moisture/water may accumulate. See, for example, the cutaway preferences spelled out in the accompanying
FIG. 9 installation instructions. - With that overlap at the area-critical joints, this invention will enable shedding water in a shingling effect. Particularly, each upper layer of sheeting that overlaps its lower layers there beneath will direct bulk water down and away from the building and into the drainage plane using gravity to move waters away from adjacent panel joints. Through the application of an adhesive to such overlaps, this invention can further serve as an air barrier.
- Further features, objectives and advantages of this invention will become clearer with the following detailed description made with reference to the accompanying photographs in which:
-
FIG. 1A is a front plan view of a first prior art system of taping over the seams of adjoining structural panels for water seepage prevention; -
FIG. 1B is a front plan view of a second prior art system of taping over the seams of adjoining insulation sheets for water seepage prevention; -
FIG. 1C is a front plan view of a third prior art system that staples (or nails) waterproofing papers, in a shingling manner, over the outside of a paneled structure; -
FIG. 2 is a side perspective view of one embodiment of construction panel according to the present invention, this view showing its overlap with adjacent panels; -
FIG. 3 is a top plan view of the rearmost panel fromFIG. 2 ; -
FIG. 4 is a bottom plan view of the same panel fromFIG. 3 ; -
FIG. 5 is a side plan view of that same representative panel; -
FIG. 6 is a top plan view of a first alternative which has overlap on only 3 of four lateral edges; -
FIG. 7 is a top plan view of a second alternative, that shows a panel of this invention with the least amount of panel overlaps, i.e. on two (adjacent) lateral edges; -
FIG. 8 is a top plan view of a third alternative showing a barrier layer, panel overlap along just one lateral side of the panel; and -
FIG. 9 is a front plan view showing one preferred method of multiple panel installations with preferred trimming directions for excess adjacent overlaps. - In properly installed water resistant barriers, gravity is the driving force behind drainage. Unfortunately, gravity is also the driving force for failure in the taped systems of the Prior Art (as in
FIGS. 1A and B) and papered over coverings of Prior ArtFIG. 1C . Particularly therein,FIG. 1A shows a representative section of wall framing F to which is mounted a first exterior wall panel P1, a second panel P2 and a third exterior panel P3. To the inside of this same framing F would be mounted a section of interior drywall I in some instances. As is known in the art, builders routinely apply a length of waterproof taping T to fully cover the seams (shown with dashed lines S inFIG. 1A ) between adjacent panels. Sometimes additional taping T2 is used to cover possible tears or damaged areas of a given wall panel, often at or near the panel's edge. - In Prior Art
FIG. 1B , another view of seam taping T is shown on adjacent wall panels P1, P2, P3 and P4 that may be adhered to the underlying framing F, as is the case with uppermost panels P1 and P2, OR mechanically secured to the framing F, as is the case with the securement screws or nails N used to affix lower down panels P3 and P4 to framing F before their respective seams S are covered with taping T in a time and labor intensive, second step/pass operation about the entire construction exterior. - Prior Art
FIG. 1C shows another known alternative (already in practice). Therein, panels P to the exterior of framing F are first covered over, with adjoining sections of waterproof papers W1 and W2, in a knowing, purposeful shingle-style pattern, namely, that each lower waterproof paper has its uppermost edge E covered with the lowermost edge L of the section of waterproof paper W1 directly above it in order for any water that may get behind the building's outermost siding layer (not shown) to flow “downhill” with gravity. These respective sections of waterproof paper W1, W2 are then stapled or nailed to the framing F. - The properly shingled panels of this invention do not rely on tape for sealing out moisture. The larger water-resistant barriers (above) overlap the sheeting layers below and to the sides making for a proper shingle fashion installation.
- Referring now to
FIGS. 2 through 5 , there is shown a first preferred embodiment of the present invention. It consists of a wall panel WP1 for attaching to a building wall (or roof, in another variation of this invention) frame/framing (not seen in this view). Wall panel WP1 consists of an underlayment of wall panel material M (sheeting, wood, insulation (either foamed OR sheet), fiberglass-faced gypsum sheathing, etc.) onto which is affixed (by gluing, nailing or stapling) an oversized sheet of water resistant barrier product WRB. Wall panel WP1, would be fitted, somewhat like a puzzle piece, so that its overlapping edges EL (left), ER (right), ET (top) and EB (bottom) will completely cover the water resistant barrier layers of adjoining wall panels WP2, WP3 and WP4. The lower of these 3 wall panels are shown with nails N for securing to an underlying frame but it is understood that the wall panels of this invention may be attached by numerous known (or even subsequently developed) panel attaching means. - For underscoring the value of overlapping edges EL, ER, ET and EB for this first embodiment of the invention, the actual perimeter of the wall panel material M in the section of wall panel WP1 being installed is illustratively marked with dashed lines SL, SR, ST and SB. The same carries over for the individual panel (with adjoining sections removed for better illustration) as found at
FIGS. 3, 4 and 5 (from the respective top, bottom and side plan views. - On a preferred basis, each panel hereunder overlaps its adjoining panels by a minimum of ¾ inch, more preferably about a 1 to 1¾ or even 2 inches. Depending on the sealants employed, such panel overlaps from about 2, 2.5 to 4 inches thick/wide may be prudent.
- For ease of placing against adjoining panels, overlapping must consistently occur on at least one lateral edge LE of the underlayment material as per the third alternative of wall panel WP4 shown in
FIG. 8 . More preferably, overlapping occurs on two edges, preferably adjoining like the one horizontal EH and one vertical EV edge per the second variation of wall panel WP3 atFIG. 7 . Optionally, a three-edge model E1, E2 and E3, along respective panel sides S1, S2 and S3, is also covered by the present invention, as best seen inFIG. 6 . It leaves no overlap along only the bottom side SB of that wall panel WP2. Most preferably, however, each panel product should be overlapping outwardly beyond its underlayment (wood, sheet, insulation) on all four sides/edges (or completely about the full perimeter of said underlayment material). - It must be understood that this invention's focus is on sidewall constructions that are not as critical to be “structural” like the roofing panels of Byrd. In fact, Byrd's structural may be easily nailed/power nailed from above and downward for securing to the rooftops of a house or other construction. This invention, by contrast, prefers using insulated sheets of R2 rating or greater, preferably R5 sheets measuring about 1 1/16″ thick, but up to about 4″ thick in still other applications. Such insulative sheets do not easily, simply nail on to the sidewalls of a house or other construction. Their nails pull out or sometimes slide creating weaknesses in the insulative and waterproofing qualities of such panels. Instead, these R2 or greater insulative sidewall sheets must be secured to another product, rather than directly to intermediate framing per se.
- See,
FIG. 9 for a preferred method of arranging adjacent panels having overlapping edges on all four sides—and note the preferred removal thereof from the top and right sides (in this installation version) so as to NOT create any regions in which water may creep in and/or flow down through a fully installed sidewall of panels according to this invention. - The section(s) of overlap that serve as the water resistant barrier for this invention may have an adhesive applied (brushed or sprayed) to it right before its on-site installation to a wall or roof structure. Alternately, that adhesive may be pre-applied, i.e., added during the panel's manufacturing process. In the latter case, it is preferred that a protective paper or cellophane cover the pre-applied adhesive until ready to apply atop adjoining panel(s) in a shingling manner. When so glued to one another, this embodiment of overlapping panels actually allows the overlapping layers to serve as a de facto air barrier in addition to the water resistant barrier.
- Note that in an alternate variation, these same panels can be manufactured without any self-adhesive backing on the overlapping area(s). In that case, such panels would serve more of a properly shingled water resistive barrier (or WRB) only. Building codes require that the WRB layer in a shingle-like fashion. This invention is meant to give a proper installed (shingle fashion) water resistant barrier and sheeting in one product! Other known products that combine a water resistant barrier and sheeting together still require going back after the panels are installed to either tape over the respective panel joints (
FIGS. 1A and B) or paper over the entirety in a shingled fashion (FIG. 1C ). Unfortunately, the known tape alternative is prone to fail leading to water intrusion. And the latter paper “reapply” is both labor intensive AND time consuming. - The product of this invention allows overlapping seems to be installed contemporaneously, i.e., while installing the sheet panels themselves, giving a better, truer installation and also saving labor/time by not having to do extra trips about a structure to provide subsequent water barrier layers.
- The new sheeting mentioned hereinabove will NOT need any extra material like tape (or tapings) to complete the WRB. Accordingly, it should save substantial installation man-hours for the builder and construction costs for the property owner.
- In still other variations, the reverse side of these purposefully overlapping panel products may be further covered with a radiant barrier material to reflect energy back into the structure and help reduce the costs of heating/cooling that house. The reflective surface may be applied either by coating or laminating directly to the panels proper.
- A video explaining reverse shingling can be found at: http://www.dupont.com/products-and-services/construction-materials/building-envelope-systems/videos/zip-reverse-shingling-vs-tyvek.html
- And an article on Exterior Foam Sheathing: Good Insulator, Bad Water Resistive Barrier can be found at: https://www.connormill-built.com/zippity-do-dont/
- Any well-seasoned builder knows that to keep water out of a building, one must shed and re-direct water away from that building. Sealants, caulks and adhesives each take a different approach to that problem, sometimes just by plugging the seams, gaps and holes defying water to breach its fortress until that sealant ultimately fails and breaks down (as they always do).
- Conventional house wraps shed water in a shingling effect in that their upper layers overlap lower layers to always direct water away from the building and into the drainage plane. Zip Wall tape, no matter how good the adhesive, is essentially a reverse shingle that relies on adhesive to overcome the practical advantage of a shingling overlay. When that adhesive breaks down, however, water plants its flag in the opening created by tape separation, etc., eventually claiming its victory, i.e., the spoils being rotted OSB and framing beyond.
- This same reliance on sealant rather than shedding happens at the top of all window and door openings where Zip tape is the last line of defense for the relentless onslaught of water. Admittedly, Zip tape is good as adhesives go. The whole system has a thirty year warranty. But what happens in year thirty-one? If one was using a low quality siding that needs to be replaced every thirty years or less, re-taping of the joints may suffice. But if one is using a higher quality siding, one is in for substantial replacement costs (and possibly mold remediation) when the tape joints fail and that same siding hides the sudden breach of one's tape defense with victorious water starting a permanent hostile occupation there beneath.
- Having described the presently preferred embodiments, it is to be understood that this invention may also be addressed by the scope of the following claims.
Claims (20)
1. A rectangular sidewall panel sheeting system comprising an underlayment of base insulation material having an insulation rating of R2 or greater, said sidewall panel having a water barrier layer affixed to the underlayment of base insulation material, said water barrier layer overlapping about an entire perimeter of the underlayment of base insulation material by at least about ¾ inch, said overlapping water barrier layer of a first sidewall panel adapted for covering adjoining edges of one or more second sidewall panels.
2. The rectangular sidewall panel sheeting system of claim 1 wherein the underlayment of base insulation material is greater than one inch thick.
3. The rectangular sidewall panel sheeting system of claim 1 wherein the underlayment of base material is at least about 1 1/16″ thick.
4. The rectangular sidewall panel sheeting system of claim 4 , which has an insulation rating of R5.
5. The rectangular sidewall panel sheeting system of claim 1 wherein the underlayment of base material is up to about 4″ thick.
6. The rectangular sidewall panel sheeting system of claim 1 , which is non-structural and requires securing to another component rather than directly to a sidewall of a building construction.
7. The rectangular sidewall panel sheeting system of claim 1 wherein the water barrier layer overlaps use gravity to move waters away from adjacent panel joints.
8. The rectangular sidewall panel sheeting system of claim 1 , which is not suitable for use as a roofing construction panel.
9. The rectangular sidewall panel sheeting system of claim 1 wherein the water barrier layer overlaps the edge of the underlayment of base insulation material by about 1 to 2 inches.
10. The rectangular sidewall panel sheeting system of claim 1 wherein the water barrier layer affixes to the underlayment of base insulation material for the adjoining construction panels with at least one of: an adhesive and a mechanical anchor selected from the group consisting of a nail and a staple.
11. The rectangular sidewall panel sheeting system of claim 1 wherein an overlapping region of the water barrier layer is supplied with an adhesive for serving as an air barrier.
12. The rectangular sidewall panel sheeting system of claim 11 wherein the adhesive on the overlapping region of the water barrier layer is covered with a removable sheet of paper or cellophane.
13. The rectangular sidewall panel sheeting system of claim 11 wherein the adhesive is supplied to the overlapping region of the water barrier layer prior to installation of adjacent sidewall panels.
14. The rectangular sidewall panel sheeting system of claim 13 wherein the adhesive is supplied to the overlapping region of the water barrier layer by spraying.
15. The rectangular sidewall panel sheeting system of claim 13 wherein the adhesive is supplied the overlapping region of the water barrier layer by brushing.
16. The rectangular sidewall panel sheeting system of claim 1 , which further includes a radiant barrier layer coated thereon.
17. The rectangular sidewall panel sheeting system of claim 1 , which further includes a radiant barrier layer laminated thereto.
18. A method for making an insulation sidewall sheeting panel system more water resistant and less wasteful, said insulation sidewall panel sheeting system including a plurality of rectangular base insulation sheet materials, each of said insulation sheet materials being greater than one inch thick and having an insulation rating of R2 or greater, said method comprising:
(a) providing each of said plurality of rectangular base insulation sheet materials of the sidewall panel sheeting system with a water barrier layer that overlaps all four lateral edges of the rectangular base insulation sheet material, said water barrier layer being adhered to the rectangular base insulation sheet material and designed to fully cover each horizontal and each vertical lateral edge of adjacent rectangular base insulation sheet materials during installation of the sidewall panel sheeting system; and
(b) adhering at least some section of the overlapping water barrier layer of the rectangular base insulation sheet material to all lateral edges of the adjacent rectangular base insulation sheet materials.
19. The method of claim 18 wherein the water barrier layer adhered to each rectangular base insulation sheet material overlaps all four outermost edges of the rectangular base insulation sheet material by at least about ¾ inch.
20. The method of claim 18 wherein at least some section of the overlapping water barrier layer is provided with an adhesive covered with a removable sheet of paper or cellophane.
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US16/822,614 US20200217063A1 (en) | 2018-09-21 | 2020-03-18 | Wall/Roof Construction System and Related Method |
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US16/138,794 US20190316352A1 (en) | 2018-04-17 | 2018-09-21 | Wall/Roof Construction System and Related Method |
US16/822,614 US20200217063A1 (en) | 2018-09-21 | 2020-03-18 | Wall/Roof Construction System and Related Method |
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US16/138,794 Continuation-In-Part US20190316352A1 (en) | 2018-04-17 | 2018-09-21 | Wall/Roof Construction System and Related Method |
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Cited By (1)
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US20220127844A1 (en) * | 2020-10-27 | 2022-04-28 | Anatole Construction Company, Inc. | Exterior insulation penetration edge frame and cover |
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