GB2355471A - Flashing arrangement to fit around cylindrical skylight - Google Patents
Flashing arrangement to fit around cylindrical skylight Download PDFInfo
- Publication number
- GB2355471A GB2355471A GB9921918A GB9921918A GB2355471A GB 2355471 A GB2355471 A GB 2355471A GB 9921918 A GB9921918 A GB 9921918A GB 9921918 A GB9921918 A GB 9921918A GB 2355471 A GB2355471 A GB 2355471A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flashing
- arrangement according
- flashing arrangement
- roof
- collar
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- -1 aluminium lead zinc Chemical compound 0.000 claims abstract description 3
- 239000004411 aluminium Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011133 lead Substances 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- E04D13/1476—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 circular 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
- E04D13/02—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
-
- 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
- E04D2013/034—Daylight conveying tubular skylights
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A flashing arrangement (38) comprises a malleable flashing material, of aluminium lead zinc or plastics and preferably includes a shaped sheet (50) of flashing material having a central opening with an in-turned flange portion (40). The arrangement may be fixed in place by a planar outer portion (33) , attachable to a roof (12), and a collar portion (35), attachable to a cylinder (20) projecting through the roof, and include an insulating collar (36) located around the collar portion. The flashing arrangement is disclosed for use with a lighting apparatus including a transparent upper member (16) and an internally mirrored pipe, which projects through the roof.
Description
2355471 Ljghting Apparatus The invention relates to lighting apparatus and
particularly to a lighting apparatus including an elongate internally reflective pipe for conveying natural daylight from roof level to a room below.
Lighting apparatus including internally reflective pipes for conveying daylight from roof level to living spaces is known. Such apparatus generally includes a transparent dome, which in use is mounted on the roof of the building, and an internally mirrored pipe extending from the dome through the roof space of the building to the ceiling of a room below. A translucent ceiling lens defuses the light into the room.
Such lighting apparatus may be fitted to a number of different roofs, including flat roofs and roofs with a variety of different pitches. Flashing arrangements are provided with the lighting apparatus and the shapes of the flashing arrangements vary depending upon the slope of the roof to which the apparatus is to be fitted.
According to the invention there is provided a flashing arrangement for use in fitting lighting apparatus to a roof, wherein the flashing arrangement includes a malleable flashing material which may be shaped to fit any of a plurality of different roof shapes.
The different roof shapes may include flat roofs and sloping roofs having respectively different pitches.
Preferably the flashing material is sufficiently malleable that it may be shaped by manual hammering. The flashing material may include aluminium, lead, zinc or a plastics material.
The lighting apparatus may include a substantially transparent upper member for location at roof level and an internally mirrored pipe for conveying 2 light from roof level to a room. The pipe may be substantially tubular. The pipe may include a plurality of pipe sections. Some of the pipe sections may be substantially straight and some may include bends. The angle of the bends may be adjustable, preferably up to about 90% The flashing arrangement may include a sheet of malleable flashing material. Preferably the thickness of the sheet is between 0.5mm. and 3mm. The sheet preferably includes a central opening for receiving an upper portion of the internally mirrored pipe. The central opening may be substantially circular, to accommodate a cylindrical pipe, and the diameter of the opening may be between 200mm and 600mm depending upon the size of the pipe to be accommodated. The sheet of flashing material may include an inturned flange portion around the central opening.
The maximum external dimensions of the sheet of material may be between about 300rnm and 1,000mm depending upon the size of the pipe to be accommodated. The external shape of the sheet may be substantially square or substantially circular.
The flashing arrangement may further include a fixing member for attaching the flashing arrangement to the roof structure. The fixing member may include a substantially planar outer portion for attaching to the roof structure and an internal upstanding collar portion for surrounding the upper part of the internally mirrored pipe. The upstanding coHar portion may be substantiaRy cylindrical, for surrounding a substantially cylindrical pipe. The fixing member is preferably made from polypropylene or ABS material.
The flashing arrangement may further include an insulating collar which may be substantially tubular and which may be locatable around or within the upstanding collar portion of the fixing member. When the insulating collar is located around the upstanding collar portion of the fixing member, a recess may be formed between the upper parts of these two members. The recess is preferably substantially cylindrical and may receive the flange provided around 3 the opening of the sheet of malleable flashing material.
The flashing arrangement may further include an upper collar, which may be fitted over or around the flashing material. The upper collar may be substantially ring shaped. Means may be provided for attaching the substantially transparent upper member to the upper collar.
An embodiment of the invention will now be described for the purpose of illustration only with reference to the accompanying drawings, in which:Fig. I is a diagrammatic cross section of an upper part of a lighting apparatus incorporating a flashing arrangement according to a first embodiment of the invention; Fig. 2 is a diagrammatic cross section of an upper part of a lighting apparatus according to a second embodiment of the invention, fitted to a flat roof; Fig. 3 is a diagrammatic cross section of an upper part of a lighting apparatus similar to that of Fig. 2, but fitted to a sloping roof; and Fig. 4 is a diagrammatic cross section of an upper part of a lighting apparatus according to a further embodiment of the invention.
Referring to Fig. 1, a lighting apparatus 10 is fitted into a roof 12 of a building to convey natural daylight from roof level to a room below. The lighting apparatus 10 includes an approximately hemispherical clear acrylic dome 16 incorporating an ultra-violet filter. The dome 16 is about 350mm in diameter in this embodiment but can vary in diameter from about 250mm. to Im. The dome 16 includes a brushed nylon tape gasket 18 for collecting condensation, such that it is not fed down into the remainder of the lighting apparatus 10.
4 An aluminium. tubular light pipe 20 extends from the dome 16 to a ceiling of the room below. For the illustrated application, the tubular light pipe 20 is approximately 330mm in diameter. The tubular light pipe 20 is constructed from lightweight aluminium and is internally laminated with a reflective film, such as ALOCA EVERBRITE 95 (Trade Mark), a silverised PET film. The reflective silver layer is sandwiched between the PET film and the aluminium base substrate. The film has about 96% reflectance.
The tubular light pipe 20 may include a number of straight sections 24. The joints between the sections of the tubular light pipe 20 are sealed with silicon sealant and aluminium tape.
The tubular light pipe 20 terminates in a translucent ceiling lens (not illustrated) inset into a ceiling of the room below. The ceiling lens diffuses the light conveyed down the tubular light pipe 20 into the room.
The lighting apparatus is mounted within the roof 30 using a flashing arrangement according to the invention. The flashing arrangement includes a roof plate 32, which is attached to the roof structure under the roof tiles 34, using nails or screws. The roof plate 30 is about 500mrn in external diameter and includes a planar portion 33 for attaching to the roof structure and an upstanding generally cylindrical collar portion 3 5 for surrounding an upper part of the tubular light pipe 20. Located above the roof plate 32 is an insulated collar 36 which minimises condensation and reduces heat loss from the light.pipe 20 where it projects above the surface of the roof 30.
Located above the insulating collar 36 is a flashing arrangement 38. The flashing 38 consists of a generally square or circular sheet of soft material, such as aluminium, lead, zinc or a plastics material and is provided with a central circular opening. Provided around the riin of the opening is a downturned flange 40. In use, the flange 40 is received in a small recess 42 formed between the insulating collar 3 6 and the upstanding portion 3 5 of the roof plate 3 2.
In use, the flashing 38 may be shaped to fit the particular roof 30 to which the lighting apparatus is fitted, as described in more detail hereinafter.
Located above the flashing 38 is a weathering collar 44. The weathering collar 44 fits over the flashing 38, clamping it into place. The weathering collar 44 also incorporates fixings 46 for attaching the polycarbonate dome 16 to the weathering collar 44.
The flashing arrangement is fitted as follows. The roof plate 32 is attached to the roof structure around the upper part of the light pipe 20, using nails or screws. The insulating collar 36 is fitted onto and around the roof plate 32 and the flashing 38 is located above the insulating collar 36, with the flange 40 fitted into the recess 42. The sheet of flashing material 38 may then be tapped into shape to fit onto the roof, using a small piece of wood. On a sloping roof, the flashing locates under the roof tiles 34 at an upper side of the dome 16. At a lower side of the dome 16, the flashing 38 locates above the tiles 34. This ensures that water running down the roof does not enter the lighting apparatus. Once it is tapped into place, the sheet of flashing material includes an angled generally frustoconical portion 48 and a generally flat portion 50, joined at a generally circular bend 52. On the upper side of the dome 16, the portion 48 makes up a larger proportion of the total flashing than it does on the lower side of the dome 16.
Fig. 2 illustrates an upper part of a lighting apparatus incorporating a flashing arrangement according to a second embodiment of the invention. The flashing arrangement is fitted into a flat roof. Corresponding elements are given the same reference numerals.
The flashing arrangement 10 includes a roof flashing 38 mounted over a roof flashing undercloak 60. The flashing 38 is of a soft material such as aluminium and may be shaped to fit the roof 30. The flashing 38 is generally similar to that described in relation to the Fig. 1 embodiment.
Located above the flashing 38 is an outer weathering collar 44, which fits 6 over the flashing 38. As in the Fig. I embodiment, the weathering collar 44 includes fixings 46 (which may be stainless steel grub screws) for attaching the collar 44 to the polycarbonate dome 16. A brushed nylon condensation trap 62 may be provided, for preventing moisture entering the lighting apparatus.
The flashing arrangement is fitted to the roof 12 by applying the undercloak 60 and the flashing 38, before fitting the weathering collar 44, attaching it in place with the fixings 47. The fixings are designed to be essentially vandal proof.
Fig. 3 illustrates a flashing arrangement similar to that of Fig. 2, but used to attach a lighting apparatus to a Tiled sloping roof 12. The arrangement includes a roof flashing undercloak 60 and a flashing 38 over the undercloak. The flashing 38 is located under the roof tiles 34 at an upper side of the dome 16, and above the roof tiles 34 on a lower side of the dome 16, thus ensuring that water running down the roof does not enter the lighting apparatus.
Referring to Fig. 4, an alternative flashing arrangement incorporates a flashing/undercloak member 64. The member 64 takes the place of both the flashing and the undercloak of the Figs. 2 and 3 embodiments, and includes leading material on its underside.
There are thus provided various embodiments of a universal flashing arrangement which is sufficiently versatile to accommodate virtually any slope of roof.
Various modifications may be made to the above described embodiment without departing from the scope of the invention. The soft flashing sheet need not be aluminiurn but may be for example zinc or a soft plastics material. Any material which is sufficiently malleable to be tapped into shape on installation is suitable. The fixing arrangements for the flashing may be modified, and the insulating collar and weathering collar may be modified or omitted. The light pipe 20 need not be cylindrical or tubular, although such 7 shape is preferred. Likewise, the member for receiving light at roof level need not be domed shaped, although such a shape is most desirable.
Whilst endeavouring in the foregoing specification to draw attention to those features of the invention believed to be of particular importance it should be understood that the Applicant claims protection in respect of any patentable feature or combination of features hereinbefore referred to and/or shown in the drawings whether or not particular emphasis has been placed thereon.
8
Claims (35)
1. A flashing arrangement for use in fitting lighting apparatus to a roof, the flashing arrangement including a malleable flashing material which may be shaped to fit any of a plurality of different roof shapes.
2. A flashing arrangement according to claim 1, wherein the different roof shapes include flat roofs and sloping roofs having respectively different pitches.
I A flashing arrangement according to claim 1 or claim 2, wherein the flashing material is sufficiently malleable that it may be shaped by manual hammering.
4. A flashing arrangement according to claim 3, wherein the flashing material includes aluminium, lead, zinc or a plastics material.
5. A flashing arrangement according to any of the preceding claims, wherein the lighting apparatus includes a substantially transparent upper member for location at roof level and an internally mirrored pipe for conveying light from roof level to a room.
6. A flashing arrangement according to claim 5, wherein the pipe is substantially tubular.
7. A flashing arrangement according to claim 5 or claim 6, wherein the pipe includes a plurality of pipe sections.
8. A flashing arrangement according to claim 7, wherein some of the pipe sections are substantially straight.
9. A flashing arrangement according to claim 7 or claim 8, wherein some of the pipe sections include bends.
9
10. A flashing arrangement according to claim 9, wherein the angle of the bends is adjustable.
11. A flashing arrangement according to claim 10, wherein the angle of the bends is adjustable up to about 90%
12. A flashing arrangement according to any of the preceding claims, wherein the flashing arrangement includes a sheet of malleable flashing material.
13. A flashing arrangement according to claim 12, wherein the thickness of the sheet is between O.5mm and 3mm.
14. A flashing arrangement according to claim 12 or claim 13, wherein the sheet includes a central opening for receiving an upper portion of the internally mirrored pipe.
15. A flashing arrangement according to claim 14, wherein the central opening is substantially circular, to accommodate a cylindrical pipe.
16. A flashing arrangement according to claim 15, wherein the diameter of the opening is between 200mm and 600mm.
17. A flashing arrangement according to any of claims 14 to 16, wherein the sheet of flashing material includes an inturned flange portion around the central opening.
18. A flashing arrangement according to any of claims 12 to 17, wherein the maximum external dimensions of the sheet of material are between 300mm and 1,000mm.
19. A flashing arrangement according to any of claims 12 to 18, wherein the external shape of the sheet is substantially square or substantially circular.
20. A flashing arrangement according to any of the preceding claims, wherein the flashing arrangement further includes a fixing member for attaching the flashing arrangement to the roof structure.
21. A flashing arrangement according to claim 20, wherein the fixing member includes a substantially planar outer portion for attaching to the roof structure and an internal upstanding collar portion for surrounding the upper part of the internally mirrored pipe.
22. A flashing arrangement according to claim 2 1, wherein the upstanding collar portion is substantially cylindrical, for surrounding a substantially cylindrical pipe.
23. A flashing arrangement according to any of claims 21 to 22, wherein the fixing member is made from polypropylene or ABS material.
24. A flashing arrangement according to any of claims 21 to 23, wherein the flashing arrangement further includes an insulating collar.
25. A flashing arrangement according to claim 24, wherein the insulating collar is substantially tubular.
26. A flashing arrangement according to claim 24 or claim 25, wherein the insulating collar is locatable around or within the upstanding collar portion of the fixing member.
27. A flashing arrangement according to claim 26, wherein when the insulating collar is located around the upstanding collar portion of the fixing member, a recess is formed between the upper parts of these two members.
28. A flashing arrangement according to claim 27, wherein the recess is substantially cylindrical.
000.0 &
29. A flashing arrangement according to claim 26 or claim 27, wherein the recess receives a flange provided around the opening of the sheet of malleable flashing material.
30. A flashing arrangement according to any of the preceding claims, wherein the flashing arrangement further includes an upper collar.
31. A flashing arrangement according to claim 30, wherein the upper collar is fitted over or around the flashing material.
32. A flashing arrangement according to claim 30 or claim 31, wherein the upper collar is substantially ring shaped.
33. A flashing arrangement according to any of claims 30 to 32, wherein means are provided for attaching the substantially transparent upper member to the upper collar.
34. A flashing arrangement substantially as herein described with reference to the drawings.
35. Any novel subject matter or combination including novel subject matter disclosed herein, whether or not within the scope of or relating to the same invention as any of the preceding claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9921918A GB2355471A (en) | 1999-09-17 | 1999-09-17 | Flashing arrangement to fit around cylindrical skylight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9921918A GB2355471A (en) | 1999-09-17 | 1999-09-17 | Flashing arrangement to fit around cylindrical skylight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9921918D0 GB9921918D0 (en) | 1999-11-17 |
| GB2355471A true GB2355471A (en) | 2001-04-25 |
Family
ID=10861041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9921918A Withdrawn GB2355471A (en) | 1999-09-17 | 1999-09-17 | Flashing arrangement to fit around cylindrical skylight |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2355471A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2857995A1 (en) * | 2003-07-23 | 2005-01-28 | Bruno Fernand Francois Legrand | Inclined roof window, has fine plate with circular, oval or elliptical, glazed opening, where window is partially bordered with joint and with malleable tab following contour of juxtaposed units of cover |
| US20230085785A1 (en) * | 2021-09-22 | 2023-03-23 | Vkr Holding A/S | Tubular skylight assembly |
| US12024890B2 (en) * | 2022-09-22 | 2024-07-02 | Vkr Holding A/S | Tubular skylight assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4742204A (en) * | 1985-05-02 | 1988-05-03 | Canter Jr Clifton H | Lead welding process, apparatus and product |
| US5030504A (en) * | 1989-08-17 | 1991-07-09 | Carol Botsolas | Poly(vinyl chloride)-aluminum laminate insulation and method of production |
| US5522189A (en) * | 1994-04-18 | 1996-06-04 | V. Kann Rasmussen Industri A/S | Flashing for roof elements |
-
1999
- 1999-09-17 GB GB9921918A patent/GB2355471A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4742204A (en) * | 1985-05-02 | 1988-05-03 | Canter Jr Clifton H | Lead welding process, apparatus and product |
| US5030504A (en) * | 1989-08-17 | 1991-07-09 | Carol Botsolas | Poly(vinyl chloride)-aluminum laminate insulation and method of production |
| US5522189A (en) * | 1994-04-18 | 1996-06-04 | V. Kann Rasmussen Industri A/S | Flashing for roof elements |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2857995A1 (en) * | 2003-07-23 | 2005-01-28 | Bruno Fernand Francois Legrand | Inclined roof window, has fine plate with circular, oval or elliptical, glazed opening, where window is partially bordered with joint and with malleable tab following contour of juxtaposed units of cover |
| US20230085785A1 (en) * | 2021-09-22 | 2023-03-23 | Vkr Holding A/S | Tubular skylight assembly |
| US12024890B2 (en) * | 2022-09-22 | 2024-07-02 | Vkr Holding A/S | Tubular skylight assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9921918D0 (en) | 1999-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |