WO2002016706A1 - Hinged flashing and a sheet flashing kit - Google Patents
Hinged flashing and a sheet flashing kit Download PDFInfo
- Publication number
- WO2002016706A1 WO2002016706A1 PCT/DK2001/000552 DK0100552W WO0216706A1 WO 2002016706 A1 WO2002016706 A1 WO 2002016706A1 DK 0100552 W DK0100552 W DK 0100552W WO 0216706 A1 WO0216706 A1 WO 0216706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flashing
- skirt
- hinge
- flashing member
- rail
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
- E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
- E04D13/1475—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally rectangular cross-section
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
- E04D13/1478—Junctions to walls extending above the roof
Definitions
- the invention relates to a flashing member for providing a seal between a roof-penetrating structure and the roof. More specifically, the present invention relates to a flashing member comprising a portion adapted to be placed in close proximity to the upper surface of the roof . Flashings comprising roof-engaging plate members or skirts are used in the construction of sealed joints between roof surfaces and building structures penetrating them, for example a sealed joint between the main frame of a window installed in an inclined roof and the surrounding roofing, in particular as a skirt-shaped flashing at the lower horizontal member of the main frame, the skirt flashing comprising an upper portion attached to the rail and a lower portion with a free edge to engage with the roof sur- face.
- the skirt is not merely placed onto the roof surface and then forced downwards to provide a close seal .
- the skirt is often bend backwardly in order to properly mount or arrange the roofing material, e.g. tiles, after which the skirt is bend forwardly and the lower free edge is brought into close contact with the roof surface .
- the bending can take place either between the skirt and the rail or between an upper and lower portion of the skirt.
- the material for the skirt member has traditionally been constituted by lead plates of a thickness of approximately 1 mm.
- Lead as a flashing material has a number of advantages as it is very easy to plastically deform with only a very limited elasticity, i.e. the lead plate substantially stays in the form into which it is initially bend without any elastic bouncing back.
- This inherent feature of lead is of great advantage when a lead skirt as part of an already attached flashing is shaped directly onto for example an undulated roof surface, in which case the skirt cannot be bend in excess in order to compensate for eventual elastic re-bouncing.
- lead for most purposes is almost non- elastic, there may be a minimal re-bouncing, however, as lead is a very heavy material, gravity alone will help the lead skirt to be elastically bend into close contact with the roof surface. Further, the high density of lead and the corresponding high weight will also prevent the skirt from being bend backwards during storming weather.
- lead also has some very well known draw backs as it is environmentally harmful, due to its weight expensive to transport and handle and in some aspects difficult to apply, for example when joining together different lead elements. Further, lead may oxidise and subsequently leave streaky deposits on the surrounding roof surface .
- flashings as sandwich constructions in which, typically, a stress damping and stabilizing core layer of ductile material completely covered on one side by a foil sheeting.
- the core layer has typically been made out of polymeric material or bitumen product
- the foil has typically been a thin metal foil, ' preferably aluminium foil.
- Bitumen as a product class is normally adhesive at ambient temperatures which will assure that it will adhere to and stabilize the foil, however, when a non-adhering core ma- terial is used it may be necessary to coat the core material with a pressure adhesive coating.
- Such flashing materials are disclosed in for example Danish Patent Specifications No. 148 064 and No. 145 509 as well as in German patent specification DE-A-4 032 058.
- an improved flashing member comprising a rail and a skirt portion, and which allows the skirt or a portion thereof to be bend or pivoted relative to the rail or the remainder of the skirt after the flashing has been installed, yet allows the skirt to thereafter be arranged in close and permanent contact with a roof surface.
- a flashing member comprising a rail mem- ber of a sheet material and comprising first and second opposed portions; a skirt member of another sheet material and comprising first and second opposed portions; the first portion of the skirt being connected to the first portion of the rail, by a joint running in a longitudinal direction of the flashing member, the second portion of the skirt having a free edge, said flashing member being characterized by hinge means allowing at least a portion of the skirt member to bend or pivot relative to the rest of the flashing member, and locking means associated with the hinge means for preventing unintended lifting of said portion of the skirt member after the flashing has been fitted.
- more than one hinge are formed.
- DK 173100 Bl which forms the basis for the drafting of claim 1, discloses a flashing member com- prising a relatively stiff rail part and a deformable skirt part, which skirt part is attached to an edge part of the rail.
- hinge means any arrangement allowing the parts on each side thereof to pivot rela- tive to each other, thus the hinge means may be a hinge in the literal sense of the word or merely a line of weakness facilitating bending.
- hinge means As will described in further detail below, some types of hinge means, as for instance lines of weak- ness in the shape of indentations, have, or may be given, the ability to lock themselves when the flashing has been fitted.
- the hinge means may be considered as having inherent or build-in locking means.
- the locking means may be pins or the like, physically blocking the movement of one or both parts of the hinge.
- the terms "locking means" covers both inherent features as well as actual physical means .
- the hinge is arranged to allow the skirt to "lock" in its bend-down position, i.e. a hinge which would allow the skirt or a portion thereof to be pivoted substantially free up- or downwards would rely on additional means for attaching it to the roof surface.
- the hinge means is an integrated part of the skirt and relies on properties inherent to the skirt material.
- a flexible skirt member can be bend back and forth, however, after such a bending action the lower free edge of the skirt normally have a tendency to lift away from the roof surface when it is bend back, especially when the skirt is wave-corrugated or pleated in a direction substantially perpendicular to the orientation of the bending line. It is believed that this is due to the complex pattern of strain hardening induced when such corrugated or pleated skirts are bend, this resulting in a high degree of elastic "memory" when the free skirt edge is folded back towards the roof.
- the present inventors have found that by controlling the area where bending, and especially plastic deformation, takes place, a skirt with a hinge can be pro- vided with only a limited tendency to bounce back.
- the hinge indentation or groove has a depth, which is at least twice the depth of these "micro” corrugations.
- the forming of an indentation in a flashing along the length of the rail portion is known per se from EP-A-0 120 653, which describes a unitary flashing with a rail part for mounting on a wall and a corrugated skirt part for lying over and engaging a roof covering abutting on the wall.
- the two parts are positioned at an angle relative to each other and the indentation serves as a line of weakness to allow relative bending of the two parts to a smaller angle to be fit the transition between the roof and the wall when the flashing is mounted.
- the skirt material is of a sandwich construction in which, typically, a stress damping and stabilizing core layer of ductile material is covered on one or both sides by a foil sheeting.
- the core layer can be made out of polymeric material or bitumen product, and the foil is preferably a thin foil, most preferably a metal foil such as aluminium foil.
- the indentation com- prises a relatively sharp "edge” or ridge, which serves as a more accurate primary bending line.
- the hinge is a separate member arranged in the skirt or between the flashing member and the skirt providing a "free" pivoting action with substantially no resistance to bending.
- additional locking means is provided, which can be in the form of any convenient means either locking the hinge as such or preventing the pivoting members to pivot relatively to each other.
- the at least one hinge is arranged in parallel with the rail.
- FIG. 1 shows a typical lower flashing member for a roof window
- Fig. 2 shows a flashing member according to a first aspect of the present invention comprising a rail member and a skirt
- Fig. 3 shows an embodiment of the hinge illustrated in Fig. 2 ;
- Fig. 4 shows a further embodiment of the hinge illustrated in Fig. 2 ;
- Fig. 5 shows an alternative embodiment of the hinge illustrated in Fig. 2 ;
- Fig. 6 shows a further alternative embodiment of the hinge illustrated in Fig. 2;
- Fig. 7 shows a flashing member according to a second aspect of the present invention comprising a rail member and a skirt;
- Fig. 8 shows a flashing member according the present invention comprising first and second hinges.
- Fig. 1 shows a typical lower flashing member 100 for a roof window, comprising a rail element 101 (or sheet element) with a general longitudinal orientation and a skirt element 102.
- the skirt element comprises an upper portion 104 with an upper edge 105 and a main skirt portion 107 with a lower free edge 103.
- the rail element comprises a first lower portion 110 with a fold or channel 106 into which the upper edge 105 of the skirt is mounted and subsequently attached (the elements are shown prior to assembling) as well as an opposed second upper portion 111 with a free edge.
- any suitable method could be used for attaching the skirt to the rail, e.g. by bonding or fastening means such as rivets.
- the shown skirt is of the wave-undulated type, however, according to the intended use it could be pleated or planar. Irrespective of the specific surface properties of the skirt, it can be said to define a general plane.
- Fig. 2 shows in cross-section (taken perpen- dicular to the longitudinal direction of the rail) a schematic representation of a flashing member according to a first aspect of the present invention in which a hinge 201 between the rail 203 and the skirt 202 is formed directly in the skirt material by an embossed, linear indentation or groove in the upper skirt portion in the vicinity of the lower edge of the rail, this allowing the skirt to be pivoted between a first "initial/final" position (shown in full line) and a second bend-back position (shown in dot- ted line) in which the skirt is pivoted along the hinge formed therein.
- the embossed groove 201 may have a depth which is constant across the width of the skirt or which varies .
- the groove is facing downwards, i.e. the embossment is made on the lower surface of the skirt, but the skirt may also be embossed on the upper surface thereof.
- the skirt is attached to the rail us- ing a fold or channel formed in the lower edge of the rail .
- the upper edge of the rail may comprise a flange member 204 adapted to engage an upper surface of a roof window frame portion.
- Fig. 3 illustrates in greater detail the em- bossed hinge portion (the rest of the skirt is not shown) of the flashing in Fig. 2.
- the skirt in which the hinge is made is in the shown embodiment manufac- tured from a sandwich material in which a stress damping and stabilizing core layer 210 of ductile material is covered on an upper surface with an upper foil sheeting 211 and on a lower surface with a lower foil sheeting 212 thus making up the upper respectively lower surfaces of the skirt member 202.
- the hinge portion comprises an upper portion 220 facing towards the rail and a lower portion 221 facing towards the free edge of the skirt, between which is arranged a linear (i.e.
- indentation 222 serving as a hinge for bending the first and second hinge portions relative to each other.
- the hinge comprises upper and lower "legs" 225, 226 which as shown in Fig. 3 are substan- tially symmetrical.
- Fig. 4 illustrates a hinge of the same type as illustrated in Fig. 3, however, in contrast to this the two hinge legs 225, 226 are non-symmetrical with the upper leg 226 being arranged with a more perpen- dicular orientation relative to the general plane of the skirt.
- the lower surface (or lower foil sheeting) thereof is bend more sharply along a longitudinal "edge" or ridge 223, which serves as a "primary" hinge area.
- Figs. 5 and 6 show further variations of embossed hinges of the same general type illustrated in Figs. 3 and 4.
- the hinge in Fig. 5 is symmetrical as the hinge in Fig. 3, however, it comprises a sharply bend "edge" portion 223 on the lower surface as in the Fig. 4 embodiment.
- the hinge in Fig. 6 is non- symmetrical as the hinge in Fig. 4, however, the sharply bend edge 223 on the lower surface is even more pronounced and in addition also the upper surface of the hinge comprises a sharply bend edge 224.
- Fig. 7 shows in cross-section (taken perpen- dicular to the longitudinal direction of the rail) a schematic representation of a flashing member according to a second aspect of the present invention in which a rail or sheet member 303 having a first lower edge 313 and a second opposed upper edge 314 as well as a skirt having a first upper edge 323 and a second lower edge 324.
- the skirt is attached to the rail or sheet member along the first edges thereof.
- this embodiment comprises a separate hinge element 301 arranged between the skirt 302 and the rail 303, the hinge allowing the skirt to be pivoted substantially freely between a first "initial/final" position (shown in full line) and a second bend-back position (shown in dotted line) in which the skirt is pivoted along the hinge arranged there between.
- the hinge is represented symbolically.
- Preferred types of hinges included pin-type hinges, e.g. piano hinge .
- the skirt in the Fig. 7 embodiment can be locked relative to the rail member. This can be done in any convenient way, either ⁇ by locking the hinge itself or by locking the skirt relative to the rail member. Indeed, when the hinge is arranged between two portions of the skirt, the locking means should be placed correspondingly. When locking the hinge itself, this may be done by, for example, pivotal or sliding clamping means. When locking the skirt relative to the rail, the locking means can be provided on either the skirt member or the rail, or both.
- embossed hinges are adapted to be "self-locking"
- flashings provided with such hinges may also be provided with locking or clamping means for further assuring a close contact between the skirt and the upper surface of the roof .
- a sin- gle hinge arranged in the vicinity of the rail member has been described, however, it is within the scope of the present invention to provide a single hinge at any desired location between the upper and lower edges of the skirt or to provide a number of hinges .
- a second hinge could be arranged in the vicinity of the lower edge or in the middle of the skirt relative to the upper and lower edges.
- Fig. 8 illustrates such an embodiment comprising a first 401 and a second hinge 402. It is clear that for a flash- ing member with more than one hinge, the properties of each hinge can be chosen independently of each other, the above disclosure relating to such individual hinges .
- the dimen- sions of the hinges are shown exaggerated.
- the depth of the embossed groove is between 2 and 20 mm.
- a sheet flashing kit for a roof window comprising flashing members as described above with reference to Figs . 1 to 8.
- a sheet flashing kit for a roof window comprising two identical side flashing members, an upper flash- ing member as well as a lower flashing members as described above with reference to Figs. 1 to 8.
- Preferably corner segments for providing a seal between the side members and the upper/lower members are supplied or integrated with either the side or upper/lower flashing members.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001279615A AU2001279615A1 (en) | 2000-08-21 | 2001-08-21 | Hinged flashing and a sheet flashing kit |
EP01957792A EP1311732B1 (en) | 2000-08-21 | 2001-08-21 | Hinged flashing and a sheet flashing kit |
JP2002522372A JP2004507630A (en) | 2000-08-21 | 2001-08-21 | Hinged drainer and sheet drainer kit |
DE60138814T DE60138814D1 (en) | 2000-08-21 | 2001-08-21 | SWIVELED ROOF TERMINAL STRIP AND ROOF TERMINAL SET |
AT01957792T ATE432396T1 (en) | 2000-08-21 | 2001-08-21 | SWIVELING ROOF CONNECTION STRIP AND A ROOF CONNECTION KIT |
DK01957792T DK1311732T3 (en) | 2000-08-21 | 2001-08-21 | Hinged cover and a plate cover set |
PL361286A PL208664B1 (en) | 2000-08-21 | 2001-08-21 | Hinged flashing and a sheet flashing kit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200001236 | 2000-08-21 | ||
DKPA200001236 | 2000-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002016706A1 true WO2002016706A1 (en) | 2002-02-28 |
Family
ID=8159664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK2001/000552 WO2002016706A1 (en) | 2000-08-21 | 2001-08-21 | Hinged flashing and a sheet flashing kit |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1311732B1 (en) |
JP (1) | JP2004507630A (en) |
CN (1) | CN1195933C (en) |
AT (1) | ATE432396T1 (en) |
AU (1) | AU2001279615A1 (en) |
DE (1) | DE60138814D1 (en) |
DK (1) | DK1311732T3 (en) |
ES (1) | ES2327818T3 (en) |
PL (1) | PL208664B1 (en) |
WO (1) | WO2002016706A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004055291A1 (en) * | 2002-12-16 | 2004-07-01 | Vkr Holding A/S | Sheet flashing for roof windows |
DE102007024596A1 (en) * | 2007-05-25 | 2008-11-27 | Thorsten Reeh | Eaves inlet sheet |
EP2192248A1 (en) * | 2008-11-26 | 2010-06-02 | VKR Holding A/S | Roof component flashing, a flashing system and a method of flashing |
FR2961834A1 (en) * | 2010-06-25 | 2011-12-30 | Achard & Cie | Head guard for seal packing to seal joint between two mural walls of construction, has dual-component film corrugated with polyethylene or aluminum, where guard is made of flexible material to utilize curve of joint |
AU2016100544B4 (en) * | 2016-05-06 | 2017-11-02 | EWS Roofing Pty Ltd | A flashing product |
USD957003S1 (en) | 2019-09-25 | 2022-07-05 | Vkr Holding A/S | Window accessory |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE1050569A1 (en) * | 2010-06-03 | 2011-05-10 | Johan Larsson | Jointable sheet metal fittings |
GB2492046A (en) * | 2011-06-08 | 2012-12-26 | Anthony Maskell | Flashing with flexible joint |
US11592197B2 (en) | 2018-09-28 | 2023-02-28 | Solatube International, Inc. | Bottom-mounted whole house fan assembly |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1419287A (en) * | 1921-01-20 | 1922-06-13 | Herbert C Maxwell | Flashing and counterflashing for roofs, etc. |
EP0038222A2 (en) * | 1980-04-15 | 1981-10-21 | V. Kann Rasmussen Industri A/S | Deformable roof sealing material |
EP0120653A2 (en) * | 1983-03-25 | 1984-10-03 | John Louis Shillabeer | Flashing for corrugated roofs and the like |
AU3710684A (en) * | 1983-12-30 | 1985-07-04 | Monier Ltd. | Roof flashing |
EP0196831A1 (en) * | 1985-03-26 | 1986-10-08 | V. Kann Rasmussen Industri A/S | Connection between the lower edge of a skylight and the adjacent roof covering |
WO1993006318A1 (en) * | 1991-09-26 | 1993-04-01 | V. Kann Rasmussen Industri A/S | Leadfree roof flasching material |
US5522189A (en) * | 1994-04-18 | 1996-06-04 | V. Kann Rasmussen Industri A/S | Flashing for roof elements |
WO1999013181A1 (en) * | 1997-09-05 | 1999-03-18 | Velux Industri A/S | A flashing arrangement |
WO1999013180A1 (en) * | 1997-09-05 | 1999-03-18 | Velux Industri A/S | A deformable roof flashing material and a method for the manufacture of a flashing rail with a skirt made from the roof flashing material |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0686758B2 (en) * | 1991-06-27 | 1994-11-02 | トステム株式会社 | Skylight drainer |
JPH0953305A (en) * | 1995-08-11 | 1997-02-25 | Tokai Kogyo Kk | Throating member for building |
-
2001
- 2001-08-21 JP JP2002522372A patent/JP2004507630A/en active Pending
- 2001-08-21 AU AU2001279615A patent/AU2001279615A1/en not_active Abandoned
- 2001-08-21 EP EP01957792A patent/EP1311732B1/en not_active Expired - Lifetime
- 2001-08-21 WO PCT/DK2001/000552 patent/WO2002016706A1/en active Application Filing
- 2001-08-21 PL PL361286A patent/PL208664B1/en unknown
- 2001-08-21 CN CNB018145191A patent/CN1195933C/en not_active Expired - Fee Related
- 2001-08-21 AT AT01957792T patent/ATE432396T1/en active
- 2001-08-21 DK DK01957792T patent/DK1311732T3/en active
- 2001-08-21 ES ES01957792T patent/ES2327818T3/en not_active Expired - Lifetime
- 2001-08-21 DE DE60138814T patent/DE60138814D1/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1419287A (en) * | 1921-01-20 | 1922-06-13 | Herbert C Maxwell | Flashing and counterflashing for roofs, etc. |
EP0038222A2 (en) * | 1980-04-15 | 1981-10-21 | V. Kann Rasmussen Industri A/S | Deformable roof sealing material |
EP0120653A2 (en) * | 1983-03-25 | 1984-10-03 | John Louis Shillabeer | Flashing for corrugated roofs and the like |
AU3710684A (en) * | 1983-12-30 | 1985-07-04 | Monier Ltd. | Roof flashing |
EP0196831A1 (en) * | 1985-03-26 | 1986-10-08 | V. Kann Rasmussen Industri A/S | Connection between the lower edge of a skylight and the adjacent roof covering |
WO1993006318A1 (en) * | 1991-09-26 | 1993-04-01 | V. Kann Rasmussen Industri A/S | Leadfree roof flasching material |
US5522189A (en) * | 1994-04-18 | 1996-06-04 | V. Kann Rasmussen Industri A/S | Flashing for roof elements |
WO1999013181A1 (en) * | 1997-09-05 | 1999-03-18 | Velux Industri A/S | A flashing arrangement |
WO1999013180A1 (en) * | 1997-09-05 | 1999-03-18 | Velux Industri A/S | A deformable roof flashing material and a method for the manufacture of a flashing rail with a skirt made from the roof flashing material |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004055291A1 (en) * | 2002-12-16 | 2004-07-01 | Vkr Holding A/S | Sheet flashing for roof windows |
DE102007024596A1 (en) * | 2007-05-25 | 2008-11-27 | Thorsten Reeh | Eaves inlet sheet |
EP1995390A3 (en) * | 2007-05-25 | 2012-07-04 | Thorsten Reeh | Metal eave sealing sheet |
DE102007024596B4 (en) * | 2007-05-25 | 2016-10-20 | Thorsten Reeh | Eaves inlet sheet |
EP2192248A1 (en) * | 2008-11-26 | 2010-06-02 | VKR Holding A/S | Roof component flashing, a flashing system and a method of flashing |
FR2961834A1 (en) * | 2010-06-25 | 2011-12-30 | Achard & Cie | Head guard for seal packing to seal joint between two mural walls of construction, has dual-component film corrugated with polyethylene or aluminum, where guard is made of flexible material to utilize curve of joint |
AU2016100544B4 (en) * | 2016-05-06 | 2017-11-02 | EWS Roofing Pty Ltd | A flashing product |
USD957003S1 (en) | 2019-09-25 | 2022-07-05 | Vkr Holding A/S | Window accessory |
Also Published As
Publication number | Publication date |
---|---|
CN1195933C (en) | 2005-04-06 |
CN1447871A (en) | 2003-10-08 |
JP2004507630A (en) | 2004-03-11 |
PL208664B1 (en) | 2011-05-31 |
ES2327818T3 (en) | 2009-11-04 |
EP1311732A1 (en) | 2003-05-21 |
AU2001279615A1 (en) | 2002-03-04 |
DK1311732T3 (en) | 2009-09-28 |
DE60138814D1 (en) | 2009-07-09 |
ATE432396T1 (en) | 2009-06-15 |
PL361286A1 (en) | 2004-10-04 |
EP1311732B1 (en) | 2009-05-27 |
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