EP2982811B1 - Vapour barrier for a roof window - Google Patents

Vapour barrier for a roof window Download PDF

Info

Publication number
EP2982811B1
EP2982811B1 EP15180453.1A EP15180453A EP2982811B1 EP 2982811 B1 EP2982811 B1 EP 2982811B1 EP 15180453 A EP15180453 A EP 15180453A EP 2982811 B1 EP2982811 B1 EP 2982811B1
Authority
EP
European Patent Office
Prior art keywords
frame
vapour barrier
roof window
barrier means
fluid communicating
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.)
Active
Application number
EP15180453.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2982811A1 (en
Inventor
Sean Coyle
Philip LAMONT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keylite Roof Windows Ltd
Original Assignee
Keylite Roof Windows Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Keylite Roof Windows Ltd filed Critical Keylite Roof Windows Ltd
Publication of EP2982811A1 publication Critical patent/EP2982811A1/en
Application granted granted Critical
Publication of EP2982811B1 publication Critical patent/EP2982811B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0325—Sky-lights; Domes; Ventilating sky-lights provided with ventilating means
    • 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
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • E04D13/0351—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis
    • E04D13/0354—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis the parts being flat

Definitions

  • the present invention relates to a vapour barrier for a roof window and in particular to a vapour barrier for a roof window which prevents the ingress of moisture into a window covering member.
  • the present invention provides a roof window according to claim 1, said roof window having a roof window frame, a sash frame and a covering member for weather proofing the roof window, the covering member, the roof window frame and sash frame defining a channel there between capable of communicating fluid, a vapour barrier means being disposed in the fluid communicating channel for preventing the flow of vapour along at least part of the fluid communicating channel.
  • the vapour barrier prevents the vapour in warm air passing into at least part of the fluid communicating channel and condensing on the underside of the covering member.
  • the roof window has a vent flap operable between a closed position for preventing the flow of air into or out of the building and a venting positon allowing air to flow into or out of the building and into or out of the fluid communicating channel below the covering member.
  • the covering member comprises a hood and at least one side frame cover member for covering the top member and one side member of the roof window frame and sash frame.
  • the covering member comprises a hood and two side frame cover members for covering the top member and both side members of the frame and sash frame.
  • the covering member comprises an inverted u-shaped cross sectional profile covering member for covering the top member and both side members of the frame and sash frame.
  • the vapour barrier means is disposed proximal to the joint between the hood and one or two side frame cover members.
  • the covering member straddles the gap between the roof window external frame and the sash frame.
  • the fluid communicating channel comprises the fluid communicating conduit between the covering member and the frame and the fluid communicating gap between the external window frame and the sash frame.
  • the vapour barrier is disposed within the fluid communicating channel.
  • the vapour barrier seals the fluid communicating channel.
  • the vapour barrier compressibly seals the fluid communicating channel.
  • the vapour barrier comprises a two part component.
  • the two part component has two separable component parts.
  • the two separable component parts are formed for cooperating when the sash is in a closed position for sealing the fluid communicating channel.
  • the two parts of the vapour barrier are mounted on mutually opposing locations of the external window frame and the sash frame.
  • a first part of the vapour barrier is mounted on the external window frame and the second part is mounted on the sash frame.
  • first part and the second part of the vapour barrier are provided by wedges. It will of course be appreciated that although wedges are defined as the two part component, any configuration of two part component is envisaged within the scope of the invention where the two component parts may have stepped or convex/concave mating surfaces.
  • the wedges are mounted on mutually opposing locations of the external window frame and the sash frame in the fluid communicating gap between the external window frame and the sash frame.
  • the wedges are mounted so as to overlap and form a seal in the fluid communicating gap when the sash frame is in the closed position.
  • the first part and the second part of the vapour barrier are provided by wedges, the wedges being mounted on mutually opposing locations of the external window frame and the sash frame between the external roof window frame and the sash frame, the wedges being mounted so as to overlap and form a seal when the sash frame is in the closed position.
  • the first part of the vapour barrier also comprises a head for sealing the fluid communicating conduit between the cover member and frame.
  • the head of the first part of the vapour barrier extends from the wedge.
  • the vapour barrier means comprises coupling means for attaching the vapour barrier means to the external frame.
  • the vapour barrier means comprises coupling means for attaching the vapour barrier means to the covering member.
  • the vapour barrier means comprises coupling means for attaching the vapour barrier means to the c-channel covering member.
  • the vapour barrier means comprises coupling means for attaching the vapour barrier means to the sash frame.
  • vapour barrier means may comprise multiple coupling members as described above; in any possible combination.
  • the coupling members are existing components of the roof window, adapted for engaging the vapour barrier.
  • the vapour barrier means is formed of but not limited to a plastic/composite/polymer/metallic material or any combination thereof.
  • the vapour barrier means is formed of extruded or expanded polystyrene.
  • the vapour barrier means is formed of rubber, such as but not limited to claytonrite.
  • the vapour barrier means is formed of a foam.
  • the vapour barrier means is formed of a closed cell foam such as but not limited to polyurethane, ethylene propylene diene monomer rubber, polyethylene, polyvinyl chloride or any combination of these.
  • the vapour barrier means comprises a single barrier member.
  • the vapour barrier means is mounted on only one of the external frame or the sash frame.
  • the vapour barrier means is mounted on the external frame.
  • the vapour barrier means comprises a compressible foam or flexible seal.
  • the compressible foam or flexible seal allows the vapour barrier means to form a compressible seal when the sash frame is moved into a closed position against the vapour barrier means.
  • the vapour barrier means comprising a non-permeable material.
  • the vapour barrier means comprises a width of between 1mm and 50mm.
  • width we mean the distance between opposite facing external surfaces of the vapour barrier means traversing the fluid communicating channel and fluid communicating gap.
  • the vapour barrier means being insertable at a single location along the fluid communicating conduit and fluid communicating gap. This means that it is not necessary to insert the barrier along all or a substantial part of the length of the fluid communication conduit between the covering member and the frame and along the fluid communicating gap.
  • vapour barrier is integrally formed with a component of a roof window.
  • the component is a guide member for locating and securing part of the covering member.
  • the vapour barrier is a sheet of flexible material formed to fill the gap defined by the fluid communicating channel.
  • the guide member is a handed member formed for mounting on the side member of the frame.
  • the guide member has a body having means for fixing the guide member onto the upwards facing surface of the frame of the roof window.
  • the guide member has a downwardly depending skirt extending substantially orthogonally from the body with a plug protruding from the skirt for insertion into a bore formed in a lateral surface of the frame member for locating and securing the guide member in position.
  • the skirt has an arrangement in the form of an elongate channel for retaining an elongate peripheral portion of the vapour barrier thereon and for locating the vapour barrier in a positon to seal the fluid communicating conduit and fluid communicating gap.
  • the vapour barrier is integrally formed with an existing component of the roof window.
  • the existing component has a channel formed for locating and supporting a vapour barrier for sealing the fluid communicating conduit and fluid communicating gap.
  • the component is a guide member for locating and securing part of the covering member namely the c-channel which covers the upper portion of the side members of the frame and sash.
  • a further embodiment of vapour barrier is integrally formed with a component of the roof window in an assembled configuration.
  • the vapour barrier is mounted on the sash of a roof window.
  • the component comprises a body with a plug for engaging a bore on the outside lateral surface of the sash.
  • the body has an arrangement in the form of an elongate channel for retaining an elongate peripheral portion of the vapour barrier thereon and for locating the vapour barrier in a positon to seal the fluid communicating conduit and fluid communicating gap.
  • the vapour barrier comprises one or more sheets of flexible material extending from the elongate peripheral portion formed to fill the gap defined by the fluid communicating conduit and fluid communicating gap.
  • the one or more sheets are deformable when they engage the corresponding surface of the frame as the sash is pivoted into a closed position.
  • vapour barrier means being a continuous component designed to extend along the entire fluid communicating channel.
  • the vapour barrier means is located in the fluid communicating channel so as to prevent vapour in warm air flowing via a ventilation passage under the covering means and along the entire length of the covering member.
  • the ventilation passage is from the inside to the outside of a building that the roof window is mounted in via an open ventilation flap.
  • a roof window indicated generally by the reference numeral 1 having a roof window frame 2 and a covering member 3 for weather proofing the frame 2 from inclement weather.
  • the covering member 3 and the frame 2 define a channel 4 there between capable of communicating fluids.
  • the roof window 1 having a vent flap, see Figure 13 operable between a closed position for preventing the flow of air into or out of the building and a venting positon allowing air to flow into or out of the building and into or out of the fluid communicating channel 4 below the covering member 3.
  • a vapour barrier 5 is disposed in the fluid communicating channel 4 for preventing the flow of vapour along at least part of the fluid communicating channel 4.
  • the vapour barrier 5 prevents the vapour in warm air passing into the fluid communicating channel 4 and condensing on the underside of the covering member 3.
  • the covering member 3 comprises a hood 6 and two side frame cover members 38 for covering the top frame member and the side members of the frame 2; as shown in figures 5 and 6 .
  • the covering member 3 is a generally U-shaped covering member for covering the top frame member and both side members of the frame 2.
  • the vapour barrier is disposed proximal to the joint between the hood 6 and one or two side frame cover members 38.
  • the covering member 3 straddles the gap between the roof window external frame 7 and the sash frame 8.
  • the fluid communicating channel 4 comprises the fluid communicating conduit 4 between the covering member 3 and the frame 2 and a fluid communicating gap 9 between the external window frame 7 and the sash frame 8.
  • the vapour barrier 5 is disposed within the fluid communicating channel 4, 9.
  • the vapour barrier 5 is designed to seal the fluid communicating channel 4, 9.
  • the vapour barrier 5 compressibly seals the fluid communicating channel 4, 9.
  • the vapour barrier 5 comprises a two part component 10, 11.
  • the two parts 10, 11 of the vapour barrier 5 are mounted on mutually opposing locations of the external window frame 7 and the sash frame 8.
  • a first part 10 of the vapour barrier 5 is mounted on the external window frame 7 and the second part 11 is mounted on the sash frame 8.
  • the first part 10 and the second part 11 of the vapour barrier 5 are provided by wedges. It will of course be appreciated that although wedges are defined as the two part component, any configuration of two part component is envisaged within the scope of the invention.
  • the two component parts may have stepped or convex/concave mating surfaces for example.
  • the wedges 10, 11 are mounted on mutually opposing locations of the external window frame 7 and the sash frame 8 in the fluid communicating gap 9 between the external window frame 7 and the sash frame 8.
  • the wedges 10, 11 are mounted so as to overlap and form a seal in the fluid communicating gap 9 when the sash frame 8 is in the closed position.
  • the first part 10 of the vapour barrier 5 also comprises a head 14 for sealing the fluid communicating conduit 4.
  • the head 14 of the first part 10 of the vapour barrier 5 extends from the wedge section 10.
  • the vapour barrier 5 comprising but not limited to a plastic/composite/polymer/metallic material.
  • the vapour barrier 5 is manufactured from extruded/expanded polystyrene. Other materials may include rubber, such as claytonrite or closed cell foam such as polyurethane, ethylene propylene diene monomer rubber, polyethylene, polyvinyl chloride or any combination of such.
  • the vapour barrier comprising a one piece component.
  • the vapour barrier comprising a compressible foam. The compressible foam allows the vapour barrier to form a compressible seal against the sash frame when the sash frame is moved into a closed position against the vapour barrier.
  • the vapour barrier comprising a non-permeable material.
  • the vapour barrier has a width of between 1mm and 50mm. By width we mean the distance between opposite facing external surfaces of the vapour barrier traversing the fluid communicating channel and fluid communicating gap.
  • width we mean the distance between opposite facing external surfaces of the vapour barrier traversing the fluid communicating channel and fluid communicating gap.
  • the vapour barrier 5 is insertable at a single location along the fluid communicating channel and fluid communicating gap.
  • the vapour barrier is a continuous component insertable along the entire length the fluid communicating channel and fluid communicating gap.
  • the vapour barrier 5 may comprise a frame coupling member 15 to attach the vapour barrier 5 to the window frame 2, a sash coupling member 16 to attach the vapour barrier 5 to sash frame 8 or a c-channel coupling member (not shown) to attach the vapour barrier 5 to the c-channel covering member 38. It should also be appreciated that the vapour barrier 5 may maintain multiple coupling members as described above; in any combination.
  • FIG. 8 there is shown an exploded perspective view and an assembled view of an alternative embodiment of vapour barrier 25 integrally formed with a component 26 of a roof window.
  • the component 26 is a guide member 26 for locating and securing part of the covering member 3 namely the c-channel which covers the upper portion of the side members of the frame and sash.
  • the guide member 26 is a right handed member formed for mounting on the right hand side member of the frame.
  • the guide member 26 has a box member 29 having a screw hole 30 defined there through for fixing the guide member 26 onto the upwards facing surface of the frame of the roof window.
  • the guide member 26 has a downwardly depending skirt 31 extending substantially orthogonally from the box member 29 with a plug 32 protruding from the skirt 31 for insertion into a bore formed in a lateral surface of the frame member for locating and securing the guide member 26 in position.
  • the skirt 31 has an arrangement 33 in the form of an elongate channel for retaining an elongate peripheral portion 34 of the vapour barrier 25 thereon and for locating the vapour barrier 25 in a positon to seal the fluid communicating channel and fluid communicating gap.
  • the vapour barrier 25 is a sheet of flexible material formed to fill the gap defined by the fluid communicating channel.
  • Figure 10 and Figure 11 is an exploded perspective view and an assembled view of an alternative embodiment of vapour barrier 35 integrally formed with an existing component 36 of the roof window.
  • the existing component 36 has an L-shaped channel 37 formed for locating and supporting an L-shaped vapour barrier 35 for sealing the fluid communicating channel and fluid communicating gap.
  • the component 36 is a guide member 36 of the same type as the guide member 26 of Figures 8 and 9 for locating and securing part of the covering member 3 namely the c-channel which covers the upper portion of the side members of the frame and sash.
  • Figure 12 and 13 are perspective views of a further embodiment of vapour barrier 45 integrally formed with a component 46 of the roof window 48 in an assembled configuration.
  • Figure 13 illustrates the vapour barrier 45 mounted on the sash 49 of a roof window 48 with the sash 49 in an open configuration.
  • the component 46 comprises a body 51 with a plug 52 for engaging a bore on the outside lateral surface 53 of the sash 49.
  • the body 51 has an arrangement 54 in the form of an elongate channel for retaining an elongate peripheral portion 55 of the vapour barrier 45 thereon and for locating the vapour barrier 45 in a positon to seal the fluid communicating channel and fluid communicating gap.
  • the vapour barrier 45 comprises two sheets 56 of flexible material extending from the elongate peripheral portion 55 formed to fill the gap defined by the fluid communicating channel and fluid communicating gap.
  • the two sheets 56 are deformable when they engage the corresponding surface of the frame as the sash 49 is pivoted into a closed position.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP15180453.1A 2014-08-08 2015-08-10 Vapour barrier for a roof window Active EP2982811B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1414143.6A GB201414143D0 (en) 2014-08-08 2014-08-08 Vapour barrier for a roof window

Publications (2)

Publication Number Publication Date
EP2982811A1 EP2982811A1 (en) 2016-02-10
EP2982811B1 true EP2982811B1 (en) 2023-08-02

Family

ID=51629556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15180453.1A Active EP2982811B1 (en) 2014-08-08 2015-08-10 Vapour barrier for a roof window

Country Status (4)

Country Link
EP (1) EP2982811B1 (pl)
DK (1) DK2982811T3 (pl)
GB (1) GB201414143D0 (pl)
PL (1) PL2982811T3 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202207820D0 (en) * 2022-05-27 2022-07-13 Keylite Roof Windows Ltd A hood for a rood window

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2317026A1 (en) * 2009-11-02 2011-05-04 VKR Holding A/S Ventilation device and roof window system
EP2738339A1 (en) * 2012-12-03 2014-06-04 VKR Holding A/S A window with sound dampening and/or insulating members

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE241063T1 (de) * 1998-04-07 2003-06-15 Vkr Holding As Ein dachfenster mit einem oberen rahmenelement zur belüftung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2317026A1 (en) * 2009-11-02 2011-05-04 VKR Holding A/S Ventilation device and roof window system
EP2738339A1 (en) * 2012-12-03 2014-06-04 VKR Holding A/S A window with sound dampening and/or insulating members

Also Published As

Publication number Publication date
EP2982811A1 (en) 2016-02-10
DK2982811T3 (da) 2023-10-23
GB201414143D0 (en) 2014-09-24
PL2982811T3 (pl) 2024-02-05

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