DK202270175A1 - A roof window and a method of mounting a bottom flashing member - Google Patents
A roof window and a method of mounting a bottom flashing member Download PDFInfo
- Publication number
- DK202270175A1 DK202270175A1 DKPA202270175A DKPA202270175A DK202270175A1 DK 202270175 A1 DK202270175 A1 DK 202270175A1 DK PA202270175 A DKPA202270175 A DK PA202270175A DK PA202270175 A DKPA202270175 A DK PA202270175A DK 202270175 A1 DK202270175 A1 DK 202270175A1
- Authority
- DK
- Denmark
- Prior art keywords
- flashing
- frame member
- frame
- roof window
- bottom frame
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 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
- E04D13/1475—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
- E04D13/03—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
-
- 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
Abstract
A roof window (1) comprising a frame (2), a sash carrying a pane (4) and a covering assembly (10), where an exterior side (20e) of the bottom frame member (24) comprises an inclined flashing engagement surface (241) forming an obtuse angle (S) with the outer side (20o) of the bottom frame member (24). Said inclined flashing engagement surface is configured for lifting a leading edge (1014e) of the bottom flashing member (1014) during mounting thereof. A method for mounting a roof window is also disclosed.
Description
DK 2022 70175 A1 1
A roof window and a method of mounting a bottom flashing member.
The present invention relates to a roof window for being mounted in a roof structure inclined in a direction of inclination and comprising a roofing material, said roof window comprising a frame, a sash carrying a pane and a covering assembly, said frame comprising a top frame member, two side frame members and a bottom frame member configured to be extend horizontally and be arranged lowermost in the mounted state when seen in the direction of inclination, said frame members together defining a frame opening and a frame plane and each extending in a length direction and each having an outer side facing away from the frame opening and extending in a height direction from an interior side to an exterior side, said exterior side being configured for facing away from an interior of a building covered by the roof structure in a mounted state, and said covering assembly comprising a plurality of flashing members for covering a joint between the frame and the roof structure and a plurality of cladding members covering a part of the sash, wherein a top flashing member extends along the top frame member, a bottom flashing member extends along the bottom frame member, and at least two side flashing members extend along the side frame members in the mounted state. The invention further relates to method of mounting a bottom flashing member.
When installing windows in a roof structure of a building it is necessary to make an opening in the roof structure and subsequently to re-establish the weatherproofing of the building otherwise provided by the roof structure. For this purpose, the joint between the roof window and the roof structure is covered by a covering assembly including flashing members and cladding members. To achieve the best possible weatherproofing it is essential that the covering assembly is mounted correctly and that it subsequently stays in place, even during heavy winds and when affect by big temperature variations.
DK 2022 70175 A1 2
With this background, it is therefore an object of the invention to provide a roof window with an improved covering assembly and a method for mounting a roof window with a covering assembly.
This and further objects are achieved with a roof window of the kind mentioned in the introduction which is furthermore characterised in that the exterior side of the bottom frame member comprises an inclined flashing engagement surface forming an obtuse angle with the outer side of the bottom frame member (24).
During mounting of a covering assembly, it may be advantageous to bring the bottom flashing member into contact with the frame by displacing it in a direction parallel to the frame plane and perpendicular to the bottom frame member, for example, to arrange the bottom flashing member underneath another part of the roof window, or to slide it into engagement with another flashing member. In such cases, a leading edge of the bottom flashing member can be brought into engagement with the flashing engagement surface, whereby it is lifted. In this way the flashing engagement surface may help to guide the bottom flashing member into place.
To help keep the bottom flashing member in place once mounted, the exterior side of the bottom frame member may comprise a flashing retention recess at an inner side of the bottom frame member opposite the outer side.
This recess may receive an edge projection at the leading edge of the bottom flashing member, so that the edge projection serves as a barb hindering or preventing a retraction of the bottom flashing member. During mounting the displacement of the bottom flashing member is continued until an edge projection at the leading edge comes into engagement with the flashing retention recess. The engagement may result in an tactile feed-back to the installer indicating that the bottom flashing member has been mounted correctly. The edge projection may be a flange extending over substantially the entire length of the bottom flashing member, but it is also possible to employ one or more local projections.
DK 2022 70175 A1 3
The inclined flashing engagement surface preferably extends at an angle of 110-160 degrees, more preferably 115-140 degrees, still more preferred 120-130 degrees with respect to the outer side of the bottom frame member (24). The optimal angle will depend on factors such as the material used for the bottom flashing member, the space available over the bottom frame member, and the dimensions of the bottom frame member, and it may be determined by simple experiments.
The flashing engagement surface may be provided on a traditional frame member, such as a wooden frame member, a frame member made from a wood-based core encased in a polymer, or a frame member made by extrusion, but is also possible to provide the frame with an interface unit and forming the flashing engagement surface therein. The interface unit may for example comprise an elongate member, such as a rail, provided on an exterior side of a traditional frame member and extending in the length direction thereof.
The frame may also comprise one or more shorter interface unit elements.
In one embodiment, the bottom frame member comprises a bottom element of an interface unit and this bottom element comprises a tool recess allowing the insertion of a tool between the bottom flashing member and the bottom frame member. Such a tool recess, which remains uncovered by the bottom flashing member, allows for the later insertion of a tool which can then be used to lift the bottom flashing member off the bottom frame member. This may for example be advantageous in connection with maintenance and repair but will also facilitate disassembly for recycling at the end of the life of the roof window. The tool might for example be a screwdriver or a similarly elongate tool, but it is also possible to lift the bottom flashing by hand by inserting a finger in the tool recess.
A second aspect of the invention relates to a method for mounting a roof window in a roof structure inclined in a direction of inclination and comprising a roofing material, said roof window comprising a frame, a sash carrying a pane element, and said frame comprising a top frame member, two side frame members and a bottom frame member configured to be extend horizontally and be arranged lowermost in the mounted state when seen in the
DK 2022 70175 A1 4 direction of inclination, said frame members together defining a frame opening and a frame plane and each extending in a length direction and each having an outer side facing away from the frame opening and extending in a height direction from an interior side to an exterior side, said exterior side being configured for facing away from an interior of a building covered by the roof structure in a mounted state, wherein said method comprises the steps of: A) arranging the roof window in an opening in the roof structure, and B) arranging a plurality of flashing members so that they cover a joint between the frame of the roof window and the roof structure with a top flashing member extending along the top frame member, a bottom flashing member extending along the bottom frame member, and at least two side flashing members extending along the side frame members, characterised in that during step B) the bottom flashing member is displaced in a direction parallel to the frame plane and perpendicular to the bottom frame member thereby bringing a leading edge of the bottom flashing member into engagement with a flashing engagement surface on the exterior side of the bottom frame member, said flashing engagement surface forming an obtuse angle with the outer side of the bottom frame member.
Embodiments and advantages described with reference to the first aspect of the invention also apply to the second aspect of the invention.
In the following description embodiments of the invention will be described with reference to the schematic drawings, in which
Fig. 1 is a perspective view of a roof window with a covering assembly,
Fig. 2 is a perspective view showing the mounting of a bottom flashing member,
Fig. 3 is a cross-sectional view showing a bottom flashing device arranged on a bottom frame member,
Fig. 4 is a perspective cross-sectional view showing the lower left corner of the roof window in Fig. 1,
Fig. 5 corresponds to Fig. 4 but showing a cross section at the line V-
DK 2022 70175 A1
V in Fig. 4,
Fig. 6 corresponds to Fig. 5 but with a second flashing member of the bottom flashing device removed, and
Fig. 7 is a cross-sectional view showing a bottom flashing member 5 arranged on a bottom frame member.
Referring initially to Fig. 1, a roof window 1 is shown with a covering assembly 10, wherein the right-hand side of the top flashing member 1011 is shown in a state of delivery, before adaptation to the shape of a roofing material used alongside the roof window 1. The roof window 1 is shown in an inclined position as it is intended for being mounted in an inclined roof structure.
In addition to the top flashing member 1011, the covering assembly 10 comprises a plurality of side flashing members 1012, 1013, a bottom flashing member 1014 and a plurality of cladding members 1021, 1022, 1023, 1024 each covering a part of the sash carrying the pane 4.
The roof window 1 comprises a frame (not visible in Fig. 1), and the top flashing member 1011, the side flashing members 1012, 1013, and the bottom flashing member 1014 extend in a respective length direction L along top, side and bottom frame members, respectively. The frame members together define a frame opening covered by the pane 4 and a frame plane F.
As shown in Fig. 2, where the roof window 1 is shown mounted in a roof structure 11 with a roofing material 112, the mounting of the flashing members starts with the mounting of the bottom flashing member 1014 and it is displaced in a direction parallel to the frame plane F and perpendicular to the length direction L of the bottom frame member 24.
As shown in Figs 3 and 4, the exterior side 20e of the bottom frame member 24 comprises an inclined flashing engagement surface 241 forming an obtuse angle S with the outer side 200 of the bottom frame member 24. In the embodiment shown the angle S is 125 degrees.
When the bottom flashing member 1014 is mounted by displacement in a direction parallel to the frame plane F and perpendicular to the length
DK 2022 70175 A1 6 direction L of the bottom frame member 24 as indicated by the double arrow in
Fig. 3, the leading edge 1014e of the bottom flashing member 1014 may come into engagement with the flashing engagement surface 241. As the bottom flashing member 1014 is displaced further, this contact will result in the leading edge 1014e being lifted, thereby helping it to slide into place.
In the embodiment shown, the exterior side 20e of the bottom frame member 24 further comprises a flashing retention recess 242 at an inner side 20s of the bottom frame member 24 opposite the outer side 200 of the bottom frame member 24. When the bottom flashing member 1014 has been displaced sufficiently far, an edge projection 1014p, here in the form of a bent flange, at the leading edge 1014e may enter into the flashing retention recess 242. In this way, the bottom flashing member 1014 will be prevented from sliding away from the bottom frame member 24 under the influence of gravity.
Turning now to Fig. 5, which shows a cross-section along the line V-V in Fig. 4, it is seen that the bottom frame member 24 is provided with a bottom element 84 of an interface unit 8 and that a section of the inclined flashing engagement surface 241 is formed by this bottom element 84. It is, however, to be understood that the frame 2 does not need to include an interface unit 8.
As is seen in Fig. 6, where a part of the bottom flashing member 24 has been removed, the bottom element 84 of the interface unit 8 comprises a tool recess 243. The tool recess 243 extends deeper than the edge projection 1014p such that a part of the tool recess 243 remains uncovered by the bottom flashing member 1014, thereby allowing the insertion of a tool, such as a screwdriver, between the bottom flashing member 1014 and the bottom frame member 24. In this way, the tool can be used for lifting the bottom flashing member 1014 off the bottom frame member 24 if needed. A tool recess 243 might also or alternatively be provided in the bottom frame member 24, for example if the roof window 1 does not include an interface unit 8.
The bottom element 84 shown does not include a flashing retention recess 242, but it is to be understood that other embodiments might do so.
In the embodiment in Fig. 1-6, the bottom flashing member 1014 is a flashing device comprising a first flashing element 1015 and a second flashing
DK 2022 70175 A1 7 element 1016, which are interconnected in sliding engagement to allow their relative position to be adjusted during mounting. This, however, does not need to be the case, as illustrated by the alternative embodiment in Fig. 7.
Components of the roof window 1 are easily disassembled and each component may in principle be reused, be recycled by appropriate environmentally responsible disposal means, or the material be recovered for other uses.
DK 2022 70175 A1 8
List of reference numerals 1 Roof window
Covering assembly 1011 Top flashing member 1012 Side flashing member 1013 Side flashing member 1014 Bottom flashing member 1014e Leading edge 1014p Edge projection 1015 — First flashing member 1016 Second flashing member 1021 Cladding member 1022 Cladding member 1023 Cladding member 1024 Cladding member 11 Roof structure 112 Roofing material 2 Frame 20e Exterior side of frame member 200 Outer side of frame 20s Inner side of frame 24 Bottom frame member 241 Flashing engagement surface 242 Flashing retention recess 243 Tool recess 4 Pane 8 Interface unit 84 Bottom element
F Frame plane
L Length direction
S Angle of flashing engagement surface
Claims (8)
1. A roof window (1) for being mounted in a roof structure (11) inclined in a direction of inclination and comprising a roofing material (112), said roof window (1) comprising a frame (2), a sash carrying a pane (4) and a covering assembly (10), said frame comprising a top frame member, two side frame members and a bottom frame member (24) configured to be extend horizontally and be arranged lowermost in the mounted state when seen in the direction of inclination, said frame members together defining a frame opening and a frame plane (F) and each extending in a length direction (L) and each having an outer side (200) facing away from the frame opening and extending in a height direction from an interior side to an exterior side (20e), said exterior side (20e) being configured for facing away from an interior of a building covered by the roof structure (11) in a mounted state of the roof window, and said covering assembly (10) comprising a plurality of flashing members (1011, 1012, 1013, 1014) for covering a joint between the frame (2) and the roof structure (11) and a plurality of cladding members (1021, 1022, 1023, 1024) covering a part of the sash, wherein a top flashing member (1011) extends along the top frame member, a bottom flashing member (1014) extends along the bottom frame member (24), and at least two side flashing members (1012, 1013) extend along the side frame members in the mounted state, characterised in that the exterior side (20e) of the bottom frame member (24) comprises an inclined flashing engagement surface (241) forming an obtuse angle (S) with the outer side (200) of the bottom frame member (24).
2. A roof window according to claim 1, wherein the inclined flashing engagement surface (241) extends at an angle (S) of 110-160 degrees, preferably 115-140 degrees, still more preferred 120-130 degrees with respect to the outer side (200) of the bottom frame member (24).
3. A roof window according to claim 1 or 2, wherein the exterior side (20e) of the bottom frame member (24) comprises a flashing retention recess
DK 2022 70175 A1 10 (242) at an inner side (20s) of the bottom frame member (24) opposite the outer side (200) of the bottom frame member (24).
4. A roof window according to one or more of claims 1-3, wherein the bottom frame member (24) comprises a bottom element (84) of an interface unit (8) and wherein at least a section of the inclined flashing engagement surface (241) is formed by the bottom element (84) of the interface unit (8).
5. A roof window according to one or more of claims 1-3, wherein the bottom frame member (24) comprises a bottom element (84) of an interface unit (8) and wherein the bottom element (84) of the interface unit (8) comprises a tool recess (243) allowing the insertion of a tool between the bottom flashing member (1014) and the bottom frame member (24).
6. A method for mounting a roof window (1) in a roof structure (11) inclined in a direction of inclination and comprising a roofing material (112), said roof window (1) comprising a frame (2), a sash carrying a pane (4), and said frame (2) comprising a top frame member, two side frame members and a bottom frame member (24) configured to be extend horizontally and be arranged lowermost in the mounted state when seen in the direction of inclination, said frame members together defining a frame opening and a frame plane (F) and each extending in a length direction (L) and each having an outer side (200) facing away from the frame opening and extending in a height direction from an interior side to an exterior side (20e), said exterior side (20e) being configured for facing away from an interior of a building covered by the roof structure (11) in a mounted state of the roof window, wherein said method comprises the steps of A) arranging the roof window (1) in an opening in the roof structure (11), B) arranging a plurality of flashing members (1011, 1012, 1013, 1014) so that they cover a joint between the frame (2) of the roof window (1) and the roof structure (11) with a top flashing member (1011) extending along the top
DK 2022 70175 A1 11 frame member, a bottom flashing member (1014) extending along the bottom frame member (24), and at least two side flashing members (1012, 1013) extending along the side frame members, characterised in that during step B) the bottom flashing member (1014) is displaced in a direction parallel to the frame plane (F) and perpendicular to the length direction (L) of the bottom frame member (24) thereby bringing a leading edge (1014e) of the bottom flashing member (1014) into engagement with a flashing engagement surface (241) on the exterior side (20e) of the bottom frame member (24), said flashing engagement surface (241) forming an obtuse angle (S) with the outer side (200) of the bottom frame member (24).
7. A method according to claim 6, wherein the displacement of the bottom flashing member (1014) is continued until an edge projection (1014p) at the leading edge (1014e) comes into engagement with a flashing retention recess (242) at an inner side (20s) of the bottom frame member (24) opposite the outer side (200) of the bottom frame member (24).
8. A method according to claim 6 or 7, wherein a tool recess (243) in the bottom frame member (24) or in a bottom element (84) of an interface unit (8) remains uncovered by the bottom flashing member (1014) so that a tool can later be inserted in the tool recess (243) and used to lift the bottom flashing member (1014) off the bottom frame member (24).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA202270175A DK181527B1 (en) | 2022-03-31 | 2022-03-31 | A roof window and a method of mounting a roof window |
| PCT/DK2023/050084 WO2023186247A1 (en) | 2022-03-31 | 2023-03-31 | A roof window and a method for mounting a roof window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA202270175A DK181527B1 (en) | 2022-03-31 | 2022-03-31 | A roof window and a method of mounting a roof window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK202270175A1 true DK202270175A1 (en) | 2024-02-09 |
| DK181527B1 DK181527B1 (en) | 2024-04-05 |
Family
ID=86185097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DKPA202270175A DK181527B1 (en) | 2022-03-31 | 2022-03-31 | A roof window and a method of mounting a roof window |
Country Status (2)
| Country | Link |
|---|---|
| DK (1) | DK181527B1 (en) |
| WO (1) | WO2023186247A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE445057T1 (en) * | 2000-11-25 | 2009-10-15 | Vkr Holding As | ADJUSTABLE ROOF CONNECTION STRIP AND CONNECTION STRIP KIT |
| US6804918B2 (en) * | 2001-01-19 | 2004-10-19 | Vkr Holding A/S | Roof window assembly comprising a window component and an external screening accessory |
| DK201600395A1 (en) * | 2016-07-01 | 2018-01-29 | Vkr Holding As | A roof window, a kit including a bottom flashing member and a roof window, and a sloping roof structure |
| WO2021156313A1 (en) * | 2020-02-03 | 2021-08-12 | Vkr Holding A/S | A skylight window |
-
2022
- 2022-03-31 DK DKPA202270175A patent/DK181527B1/en active IP Right Grant
-
2023
- 2023-03-31 WO PCT/DK2023/050084 patent/WO2023186247A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023186247A1 (en) | 2023-10-05 |
| DK181527B1 (en) | 2024-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PAT | Application published |
Effective date: 20231001 |
|
| PME | Patent granted |
Effective date: 20240405 |