US20090031640A1 - Roof Flashing Connections - Google Patents

Roof Flashing Connections Download PDF

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Publication number
US20090031640A1
US20090031640A1 US12/067,621 US6762106A US2009031640A1 US 20090031640 A1 US20090031640 A1 US 20090031640A1 US 6762106 A US6762106 A US 6762106A US 2009031640 A1 US2009031640 A1 US 2009031640A1
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US
United States
Prior art keywords
roof
flashing
penetrating structure
resilient
structure according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/067,621
Inventor
Stuart Elmes
Kak Thong Tan
Martin Davies
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Viridian Concepts Ltd
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Viridian Concepts Ltd
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Filing date
Publication date
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Assigned to VIRIDIAN CONCEPTS LTD reassignment VIRIDIAN CONCEPTS LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TAN, KOK THONG, DAVIES, MARTIN, ELMES, STUART
Publication of US20090031640A1 publication Critical patent/US20090031640A1/en
Abandoned legal-status Critical Current

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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
    • E04D13/02—Roof-covering aspects of dormer windows
    • 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
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
    • E04D13/031—Supports or connecting means for sky-lights of flat or domed shape characterised by a frame for connection to an inclined roof
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/67—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/40—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/70—Sealing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Definitions

  • the present invention relates to a technique for connecting a roof-penetrating structure to roof flashing, such as, for example, that used to create a weathertight seal between a roof window or solar panel and a roof covering such as tiles, slates or shingles.
  • pre-formed flashing kits is well known in roof windows.
  • the skilful and time-consuming job of forming lead sheet on site to make a weathertight seal between the window and the roof covering is replaced with a factory manufactured kit of parts, often made by pressing or roll forming pre-painted aluminium sheet.
  • the kit is normally supplied in four parts—two side gutters and sections to go around the top and bottom. This approach has also been applied to solar panels.
  • FIGS. 1-3 Conventional approaches for joining roof flashing to the upstand of a roof-penetrating body are illustrated in FIGS. 1-3 .
  • FIG. 1 One approach, shown in FIG. 1 , is to provide side gutters, and top and bottom flashing components as a continuous part of the product—pre attached in the factory.
  • the gutter ( 4 ) between the upstand of the roof penetrating structure ( 2 ) and the tile ( 3 ) is formed by a flashing ( 1 ) that is a continuous part of the cover glass.
  • a flexible seal ( 5 ) may be present to provide a conforming fit with the shape of the tile. This approach has particularly been adopted for roof windows and solar panels with thermoformed clear plastic covers.
  • the flashing needs to be made more robust (for handling) than it needs to be for durability once installed.
  • different types of flashing may be needed for different roof coverings, requiring the manufacturer to produce different versions of the roof-penetrating structure incorporating the different types of flashing.
  • FIG. 2 A second approach, shown in FIG. 2 , provides a separate flashing ( 1 ) that tucks up under a skirt ( 7 ) on the rooflight or solar panel.
  • the glazing ( 6 ) is now a separate part. Gravity keeps water out, and a return fold ( 8 ) on the flashing prevents wind-driven rain from entering.
  • the skirt can be made a separate component that is removed prior to pushing the flashing against the side of the roof window, and then clipped back into place. Whilst this can alleviate the difficulty mentioned above, it does add to the complexity of fitment and manufacture.
  • a third approach, illustrated in FIG. 3 is to have a removable cover ( 9 ) on the window or solar panel. This is removed to allow the flashing to engage, and then reaffixed with nails or screws ( 10 ) to cover the flashing.
  • This arrangement is cheap to produce, but requires the roofing contractor to disassemble and reassemble components. This can be time consuming, and there is also the risk of the disassembled components being dropped before reassembly.
  • This approach has particularly been used with wooden frames, where nails or screws can be used to attach the cover through the flashing.
  • a roof-penetrating structure for incorporating into a roof, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.
  • the resilient member(s) comprise at least one pair of resilient flap members extending from opposing sides of said portion; said pair of resilient flap members overlap with each other in their relaxed configuration; a plurality of said pairs of resilient flap members are positioned at increasing distances in the direction of insertion of the flashing; and the resilient flap members partially point in the direction of insertion of the flashing in their relaxed configuration.
  • said portion is a component fitted into a recess in a base structure of said roof-penetrating structure; said component is provided with barbs which act to resist its removal from said recess; and said recess extends continuously around the roof-penetrating structure; said portion is a continuous component fitted about said base structure and into said recess; and said component is an extruded component.
  • the resilient member(s) comprises bristles extending from opposing sides of said portion.
  • said portion defines a resilient convex end-stop, which, in use, partially inverts when the edge of the flashing is forced against it.
  • a solar panel or roof window comprising a roof-penetrating structure as described above.
  • the present invention also provides a method of incorporating a roof-penetrating structure as described above into a roof, the method comprising inserting the edge of at least one sheet of flashing into said portion, and creating a weather-proof connection between said sheet of flashing and said roof.
  • the present invention also provides a kit comprising a roof-penetrating structure for incorporating into a roof and one or more sheets of flashing, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of said one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.
  • a sheet of flashing for incorporating a roof-penetrating structure in a roof, said sheet of flashing including an edge section for inserting into a receiving portion of a roof-penetrating structure to provide a weather-proof connection therebetween; said edge section of said sheet of flashing being provided with one or more resilient members such that, in use, the insertion of the sheet of flashing into said receiving portion of said roof-penetrating structure automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the receiving portion.
  • the present invention also provides a method of incorporating a roof-penetrating structure into a roof, the method comprising inserting said edge section of a sheet of flashing described in the preceding paragraph into a receiving portion of a roof-penetrating structure, and creating a weather-proof connection between said sheet of flashing and said roof.
  • the present invention also provides a kit comprising a roof penetrating structure and one or more sheets of flashing for incorporating said roof-penetrating structure in a roof, said one or more sheets of flashing including an edge section for inserting into a receiving portion of a roof-penetrating structure to provide a weather-proof connection therebetween; said edge section being provided with one or more resilient members such that, in use, the insertion of said one or more sheets of flashing into said receiving portion of said roof-penetrating structure automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the receiving portion.
  • FIGS. 1-3 are cross-sectional views of the gutter formed by the flashing between the roof penetrating structure and the roof covering according to the above-described conventional approaches.
  • FIG. 4 is a cross-sectional view similar to FIGS. 1-3 for an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of an example of the flashing gasket of FIG. 4 .
  • FIG. 6 shows the flashing gasket of FIG. 5 with the flashing inserted.
  • FIG. 7 is a cross-sectional view of another example of the flashing gasket of FIG. 4 .
  • FIG. 8 shows the flashing gasket of FIG. 7 with the flashing inserted.
  • FIG. 9 is a cross-sectional view of a third example of the flashing gasket of FIG. 4 with inward facing bristles.
  • FIG. 10 is a cross sectional view similar to FIGS. 1-3 for an alternative embodiment of the present invention.
  • a weather tight seal is made between the upstand of a solar panel, rooflight, or other roof penetrating structure ( 2 ), and a roof covering such as a tiles ( 3 ) by forming a gutter ( 4 ) with a flashing ( 1 ).
  • the roof penetrating structure is provided with a continuous slot ( 11 ) around the outside face of its upstand ( 2 ).
  • the slot is shaped to receive a flexible gasket ( 12 ).
  • a barb ( 13 ) on the outside face of the gasket mates with a corresponding rebate in the slot.
  • the gasket plug is of a generally U-shaped section formed with a series of lips ( 14 ) extending into the centre, such that when a thin sheet of flashing material ( 1 ) is pushed into it, they are deflected to form a series of seals against the upper and lower faces of the sheet.
  • the lips are made to extend beyond the centre line of the gasket, then discrepancies in the height of the flashing can be accommodated.
  • the use of a spaced apart series of lips disrupts the path of capillarity, so water will not penetrate beyond the end of the contact face of the first lip by this mechanism. If the lips are angled towards the closed end of the gasket they deform easily by bending when the flashing is pushed in, but resist pull out.
  • the advantage of this design is the ease with which the flashing is fitted.
  • the flashing is simply pushed into the slot in the gasket until it stops against the side of the upstand, thus providing clear feedback to the fitter that it is properly in place.
  • gasket has an inlet cover that hangs down below the top edge of the flashing ( 16 ).
  • the inlet cover is shaped so that as the flashing is pushed past it, a protrusion prevents its further rotation by interfering with the first lip. Once the flashing is pushed to its maximum extent, the inlet cover springs down against the flashing. This feature is useful to prevent against wind pressure opening the lips. Positive pressure on the outside acts to press the inlet cover harder against the flashing.
  • a compressible convex shape ( 15 ) at the end of the recess in the gasket seals against the edge of the flashing and provides a continuous seal at all points.
  • gasket plug examples include rubber and EPDM (ethylene propylene diene monomer) synthetic rubber. It can be formed by extrusion, and joined with moulded mitred corners to form a continuous loop. The design is particularly well suited to connecting the flashing to a frame formed by extrusion, for example one of aluminium. However, the slot could also be formed by routing in wood, or forming steel or aluminium sheet by roll forming.
  • EPDM ethylene propylene diene monomer
  • FIG. 10 An alternative embodiment of the invention, shown in FIG. 10 , includes a flashing with a gasket attached to its edge ( 18 ). The fitment procedure would then be to push the flashing and gasket into a receiving slot ( 11 ) in the upstand of the roof penetrating structure.
  • a standardised roof window or solar panel can be produced that can be used with a variety of different flashing kits.

Abstract

A roof-penetrating structure for incorporating into a roof, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.

Description

  • The present invention relates to a technique for connecting a roof-penetrating structure to roof flashing, such as, for example, that used to create a weathertight seal between a roof window or solar panel and a roof covering such as tiles, slates or shingles.
  • The use of pre-formed flashing kits is well known in roof windows. The skilful and time-consuming job of forming lead sheet on site to make a weathertight seal between the window and the roof covering is replaced with a factory manufactured kit of parts, often made by pressing or roll forming pre-painted aluminium sheet. The kit is normally supplied in four parts—two side gutters and sections to go around the top and bottom. This approach has also been applied to solar panels.
  • Conventional approaches for joining roof flashing to the upstand of a roof-penetrating body are illustrated in FIGS. 1-3.
  • One approach, shown in FIG. 1, is to provide side gutters, and top and bottom flashing components as a continuous part of the product—pre attached in the factory. The gutter (4) between the upstand of the roof penetrating structure (2) and the tile (3) is formed by a flashing (1) that is a continuous part of the cover glass. A flexible seal (5) may be present to provide a conforming fit with the shape of the tile. This approach has particularly been adopted for roof windows and solar panels with thermoformed clear plastic covers.
  • With this approach, the flashing needs to be made more robust (for handling) than it needs to be for durability once installed. Also, different types of flashing may be needed for different roof coverings, requiring the manufacturer to produce different versions of the roof-penetrating structure incorporating the different types of flashing.
  • A second approach, shown in FIG. 2, provides a separate flashing (1) that tucks up under a skirt (7) on the rooflight or solar panel. The glazing (6) is now a separate part. Gravity keeps water out, and a return fold (8) on the flashing prevents wind-driven rain from entering.
  • With this approach, the flashing needs to be rotated into position, which can limit the acceptable geometry for the flashing and the skirt. Also, flashing corner pieces are particularly difficult to fit in without significant distortion of the flashing being required.
  • The skirt can be made a separate component that is removed prior to pushing the flashing against the side of the roof window, and then clipped back into place. Whilst this can alleviate the difficulty mentioned above, it does add to the complexity of fitment and manufacture.
  • A third approach, illustrated in FIG. 3, is to have a removable cover (9) on the window or solar panel. This is removed to allow the flashing to engage, and then reaffixed with nails or screws (10) to cover the flashing.
  • This arrangement is cheap to produce, but requires the roofing contractor to disassemble and reassemble components. This can be time consuming, and there is also the risk of the disassembled components being dropped before reassembly. This approach has particularly been used with wooden frames, where nails or screws can be used to attach the cover through the flashing.
  • It is an aim of the invention to provide a new technique of connecting a roof flashing to a roof-light, solar panel or other roof penetrating structure which is simple and quick whilst providing a weather-tight and durable connection.
  • According to one aspect of the present invention, there is provided a roof-penetrating structure for incorporating into a roof, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.
  • In one embodiment, the resilient member(s) comprise at least one pair of resilient flap members extending from opposing sides of said portion; said pair of resilient flap members overlap with each other in their relaxed configuration; a plurality of said pairs of resilient flap members are positioned at increasing distances in the direction of insertion of the flashing; and the resilient flap members partially point in the direction of insertion of the flashing in their relaxed configuration.
  • In one embodiment, said portion is a component fitted into a recess in a base structure of said roof-penetrating structure; said component is provided with barbs which act to resist its removal from said recess; and said recess extends continuously around the roof-penetrating structure; said portion is a continuous component fitted about said base structure and into said recess; and said component is an extruded component.
  • In one embodiment, the resilient member(s) comprises bristles extending from opposing sides of said portion.
  • In one embodiment, said portion defines a resilient convex end-stop, which, in use, partially inverts when the edge of the flashing is forced against it.
  • There is also provided a solar panel or roof window comprising a roof-penetrating structure as described above.
  • The present invention also provides a method of incorporating a roof-penetrating structure as described above into a roof, the method comprising inserting the edge of at least one sheet of flashing into said portion, and creating a weather-proof connection between said sheet of flashing and said roof.
  • The present invention also provides a kit comprising a roof-penetrating structure for incorporating into a roof and one or more sheets of flashing, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of said one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.
  • According to another aspect of the present invention, there is provided a sheet of flashing for incorporating a roof-penetrating structure in a roof, said sheet of flashing including an edge section for inserting into a receiving portion of a roof-penetrating structure to provide a weather-proof connection therebetween; said edge section of said sheet of flashing being provided with one or more resilient members such that, in use, the insertion of the sheet of flashing into said receiving portion of said roof-penetrating structure automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the receiving portion.
  • The present invention also provides a method of incorporating a roof-penetrating structure into a roof, the method comprising inserting said edge section of a sheet of flashing described in the preceding paragraph into a receiving portion of a roof-penetrating structure, and creating a weather-proof connection between said sheet of flashing and said roof.
  • The present invention also provides a kit comprising a roof penetrating structure and one or more sheets of flashing for incorporating said roof-penetrating structure in a roof, said one or more sheets of flashing including an edge section for inserting into a receiving portion of a roof-penetrating structure to provide a weather-proof connection therebetween; said edge section being provided with one or more resilient members such that, in use, the insertion of said one or more sheets of flashing into said receiving portion of said roof-penetrating structure automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the receiving portion.
  • Hereunder follows a detailed description of embodiments of the invention, by way of example only, with reference to the accompanying drawings, in which:
  • FIGS. 1-3 are cross-sectional views of the gutter formed by the flashing between the roof penetrating structure and the roof covering according to the above-described conventional approaches.
  • FIG. 4 is a cross-sectional view similar to FIGS. 1-3 for an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of an example of the flashing gasket of FIG. 4.
  • FIG. 6 shows the flashing gasket of FIG. 5 with the flashing inserted.
  • FIG. 7 is a cross-sectional view of another example of the flashing gasket of FIG. 4.
  • FIG. 8 shows the flashing gasket of FIG. 7 with the flashing inserted.
  • FIG. 9 is a cross-sectional view of a third example of the flashing gasket of FIG. 4 with inward facing bristles.
  • FIG. 10 is a cross sectional view similar to FIGS. 1-3 for an alternative embodiment of the present invention.
    •
  • In one embodiment of the invention, shown in cross-section in FIG. 4, a weather tight seal is made between the upstand of a solar panel, rooflight, or other roof penetrating structure (2), and a roof covering such as a tiles (3) by forming a gutter (4) with a flashing (1). The roof penetrating structure is provided with a continuous slot (11) around the outside face of its upstand (2). The slot is shaped to receive a flexible gasket (12). To secure the gasket into the slot, a barb (13) on the outside face of the gasket mates with a corresponding rebate in the slot.
  • The gasket plug is of a generally U-shaped section formed with a series of lips (14) extending into the centre, such that when a thin sheet of flashing material (1) is pushed into it, they are deflected to form a series of seals against the upper and lower faces of the sheet.
  • If the lips are made to extend beyond the centre line of the gasket, then discrepancies in the height of the flashing can be accommodated. The use of a spaced apart series of lips disrupts the path of capillarity, so water will not penetrate beyond the end of the contact face of the first lip by this mechanism. If the lips are angled towards the closed end of the gasket they deform easily by bending when the flashing is pushed in, but resist pull out.
  • It can be seen that the advantage of this design is the ease with which the flashing is fitted. The flashing is simply pushed into the slot in the gasket until it stops against the side of the upstand, thus providing clear feedback to the fitter that it is properly in place.
  • An alternative design of gasket has an inlet cover that hangs down below the top edge of the flashing (16). The inlet cover is shaped so that as the flashing is pushed past it, a protrusion prevents its further rotation by interfering with the first lip. Once the flashing is pushed to its maximum extent, the inlet cover springs down against the flashing. This feature is useful to prevent against wind pressure opening the lips. Positive pressure on the outside acts to press the inlet cover harder against the flashing.
  • In places the flashing sections overlap each other, and there is a double thickness of flashing material pushed into the gasket. The gasket cannot perfectly conform to the change in thickness at each end of the overlap section. Consequently there will be a small gap between the flexible lips and the top and bottom faces of the flashing at these points (although the gap and the top and the gap at the bottom will be offset by the distance of the overlap). A compressible convex shape (15) at the end of the recess in the gasket seals against the edge of the flashing and provides a continuous seal at all points.
  • One variation of this embodiment would have the inside faces of the gasket made up of bristles (17), with their free end facing towards the centre. This variation could better conform to step changes in the flashing material, such as those described above.
  • Examples of suitable materials for the gasket plug are rubber and EPDM (ethylene propylene diene monomer) synthetic rubber. It can be formed by extrusion, and joined with moulded mitred corners to form a continuous loop. The design is particularly well suited to connecting the flashing to a frame formed by extrusion, for example one of aluminium. However, the slot could also be formed by routing in wood, or forming steel or aluminium sheet by roll forming.
  • An alternative embodiment of the invention, shown in FIG. 10, includes a flashing with a gasket attached to its edge (18). The fitment procedure would then be to push the flashing and gasket into a receiving slot (11) in the upstand of the roof penetrating structure.
  • With the techniques described above, a standardised roof window or solar panel can be produced that can be used with a variety of different flashing kits.
  • The above detailed description of embodiments of the present invention is provided by way of example only, and various modifications can be made to these embodiments without departing from the scope of the invention
  • The applicant draws attention to the fact that the present invention may include any feature or combination of features disclosed herein either implicitly or explicitly or any generalisation thereof, without limitation to the scope of any definitions set out above.

Claims (18)

1-19. (canceled)
20. A roof-penetrating structure for incorporating into a roof, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.
21. A roof-penetrating structure according to claim 20, wherein the resilient member(s) comprise at least one pair of resilient flap members extending from opposing sides of said portion.
22. A roof-penetrating structure according to claim 21, wherein said pair of resilient flap members overlap with each other in their relaxed configuration.
23. A roof-penetrating structure according to claim 21, including a plurality of said pairs of resilient flap members positioned at increasing distances in the direction of insertion of the flashing.
24. A roof-penetrating structure according to claim 21, wherein the resilient flap members partially point in the direction of insertion of the flashing in their relaxed configuration.
25. A roof-penetrating structure according to claim 20, wherein said portion is a component fitted into a recess in a base structure of said roof-penetrating structure.
26. A roof-penetrating structure according to claim 25, wherein said component is provided with barbs which act to resist its removal from said recess.
27. A roof-penetrating structure according to claim 25, wherein said recess extends continuously around the roof-penetrating structure, and said portion is a continuous component fitted about said base structure and into said recess.
28. A roof-penetrating structure according to claim 25, wherein said component is an extruded component.
29. A roof-penetrating structure according to claim 20, wherein the resilient member(s) comprises bristles extending from opposing sides of said portion.
30. A roof-penetrating structure according to claim 20, wherein said portion defines a resilient convex end-stop, which, in use, partially inverts when the edge of the flashing is forced against it.
31. A roof-penetrating structure according to claim 20, which is a solar panel or a roof window.
32. A roof-penetrating structure according to claim 20, which is incorporated into a roof by inserting the edge of at least one sheet of flashing into said portion, and creating a weather-proof connection between said sheet of flashing and said roof.
33. A kit comprising a roof-penetrating structure for incorporating into a roof and one or more sheets of flashing, the structure including a portion extending along one or more sides of the roof-penetrating structure for receiving an edge section of said one or more sheets of flashing to provide a weather-proof connection therebetween; said portion including one or more resilient members such that, in use, the insertion of flashing into said portion automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the flashing.
34. A sheet of flashing for incorporating a roof-penetrating structure in a roof, said sheet of flashing including an edge section for inserting into a receiving portion of a roof-penetrating structure to provide a weather-proof connection therebetween; said edge section of said sheet of flashing being provided with one or more resilient members such that, in use, the insertion of the sheet of flashing into said receiving portion of said roof-penetrating structure automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the receiving portion.
35. A sheet of flashing according to claim 34, which is used to incorporate a roof-penetrating structure into a roof by inserting said edge section into a receiving portion of a roof-penetrating structure, and creating a weather-proof connection between said sheet of flashing and said roof.
36. A kit comprising a roof penetrating structure and one or more sheets of flashing for incorporating said roof-penetrating structure in a roof, said one or more sheets of flashing including an edge section for inserting into a receiving portion of a roof-penetrating structure to provide a weather-proof connection therebetween; said edge section being provided with one or more resilient members such that, in use, the insertion of said one or more sheets of flashing into said receiving portion of said roof-penetrating structure automatically forces at least one of said one or more resilient members into a configuration in which they are biased against the receiving portion.
US12/067,621 2005-09-21 2006-09-20 Roof Flashing Connections Abandoned US20090031640A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0519286A GB2430943B (en) 2005-09-21 2005-09-21 Roof flashing connections comprising resilient member
GB0159286.9 2005-09-21
PCT/GB2006/003487 WO2007034171A1 (en) 2005-09-21 2006-09-20 Roof flashing connections

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US20090031640A1 true US20090031640A1 (en) 2009-02-05

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US12/067,621 Abandoned US20090031640A1 (en) 2005-09-21 2006-09-20 Roof Flashing Connections

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US (1) US20090031640A1 (en)
EP (1) EP1937911A1 (en)
GB (1) GB2430943B (en)
WO (1) WO2007034171A1 (en)

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US20110220596A1 (en) * 2009-03-20 2011-09-15 Northern States Metals Company Support system for solar panels
US8528265B1 (en) * 2010-02-18 2013-09-10 Innovations & Ideas, Llc Laminate system
US8839573B2 (en) 2011-02-11 2014-09-23 Northern States Metals Company Spring clip
US9512620B2 (en) 2012-03-30 2016-12-06 Sunpower Corporation Active fire-blocking wind deflector
US20130333306A1 (en) * 2012-06-15 2013-12-19 Dana Gavin Baron Termination pocket for deck
US8869462B2 (en) * 2012-06-15 2014-10-28 RussCo57, LLP Termination pocket for deck
US20160244972A1 (en) * 2013-03-15 2016-08-25 Certainteed Corporation Roofing flashings and roofing systems and photovoltaic roofing systems using the same
US9303663B2 (en) 2013-04-11 2016-04-05 Northern States Metals Company Locking rail alignment system
US11121668B2 (en) 2013-12-23 2021-09-14 Sunpower Corporation Clamps for solar system
US10680548B2 (en) 2013-12-23 2020-06-09 Sunpower Corporation Clamps for solar system
US9531319B2 (en) 2013-12-23 2016-12-27 Sunpower Corporation Clamps for solar systems
US11575344B2 (en) 2013-12-23 2023-02-07 Sunpower Corporation Clamps for solar system
US10432133B2 (en) 2013-12-23 2019-10-01 Sunpower Corporation Clamps for solar systems
US9777948B2 (en) 2014-02-28 2017-10-03 Sunpower Corporation End clamps for solar systems
US9416992B2 (en) 2014-02-28 2016-08-16 Sunpower Corporation End clamps for solar systems
USD767785S1 (en) * 2015-01-13 2016-09-27 Cottonwood Metals, Inc. Wall panel edge trim
USD767786S1 (en) * 2015-01-13 2016-09-27 Cottonwood Metals, Inc. Wall panel edge trim
US10443231B2 (en) * 2015-11-24 2019-10-15 Vkr Holding A/S Sealing member for use between a flashing member and a roofing material, a flashing kit including such a sealing member, and a method for weather proofing the joint between a roof of a building and a roof penetrating structure
US10243507B2 (en) 2016-06-29 2019-03-26 Sunpower Corporation End clamp for mounting solar module to rail
US9813015B1 (en) 2016-06-29 2017-11-07 Sunpower Corporation End clamp for mounting solar module to rail
CN110130590A (en) * 2018-04-30 2019-08-16 Vkr控股公司 Dormer window with the improved reinforcer in frame roof component
US20200095771A1 (en) * 2018-09-21 2020-03-26 Brock Dressel Gutter cover system
US10900234B2 (en) * 2018-09-21 2021-01-26 Brock Dressel Gutter cover system
US10907357B2 (en) 2018-09-25 2021-02-02 Roofco Llc Expandable flashing device and system
US10626617B2 (en) 2018-09-25 2020-04-21 Roofco Llc Expandable flashing device and system
US20210172175A1 (en) * 2019-12-05 2021-06-10 Vkr Holding A/S Sealing gasket for use between flashing members, a flashing arrangement for a roof window including at least two flashing members and at least one sealing gasket, and method of sealing a gap between flashing members for a roof window
US11655637B2 (en) * 2019-12-05 2023-05-23 Vkr Holding A/S Sealing gasket, flashing arrangement, and method of sealing a gap between flashing members for a roof window
USD1014792S1 (en) 2021-09-07 2024-02-13 Vkr Holding A/S Skylight inner frame
WO2023186240A1 (en) * 2022-03-31 2023-10-05 Vkr Holding A/S A roof window comprising a frame with an interface unit
WO2023186250A1 (en) * 2022-03-31 2023-10-05 Vkr Holding A/S A roof window, a kit with a covering assembly, and a method for mounting a roof window
WO2023186251A1 (en) * 2022-03-31 2023-10-05 Vkr Holding A/S A method for mounting a roof window, a kit for use in the method, and a roof window
WO2024074182A1 (en) * 2022-10-03 2024-04-11 Vkr Holding A/S A method for mounting a roof window, a kit comprising a roof window and at least two flashing members, a flashing member, a roof window, and a roof structure with a roof window mounted therein

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Publication number Publication date
WO2007034171A1 (en) 2007-03-29
GB0519286D0 (en) 2005-11-02
GB2430943B (en) 2010-08-04
EP1937911A1 (en) 2008-07-02
GB2430943A (en) 2007-04-11

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