EP4023832B1 - Système de fenêtre de toit comportant un encadrement isolant - Google Patents

Système de fenêtre de toit comportant un encadrement isolant Download PDF

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Publication number
EP4023832B1
EP4023832B1 EP21216869.4A EP21216869A EP4023832B1 EP 4023832 B1 EP4023832 B1 EP 4023832B1 EP 21216869 A EP21216869 A EP 21216869A EP 4023832 B1 EP4023832 B1 EP 4023832B1
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EP
European Patent Office
Prior art keywords
members
insulating
roof
window system
roof window
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
EP21216869.4A
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German (de)
English (en)
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EP4023832A1 (fr
EP4023832C0 (fr
Inventor
Rasmus Andersen
Søren FREDERIKSEN
Jens-Ulrik Holst Henriksen
Uffe Grønheden Baumgardt
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VKR Holding AS
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VKR Holding AS
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Publication date
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Publication of EP4023832A1 publication Critical patent/EP4023832A1/fr
Application granted granted Critical
Publication of EP4023832B1 publication Critical patent/EP4023832B1/fr
Publication of EP4023832C0 publication Critical patent/EP4023832C0/fr
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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
    • E04D13/0305—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
    • E04D13/03—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 roof window system comprising at least two window units configured to be built in side by side, separated by a spacing, in a roof structure of a roof, in particular comprising an inclined roof surface, each window unit defining a width and a common height, said roof window system defining a combined width in a mounted condition and comprising an insulating assembly including a plurality of frame members forming at least one insulating frame, the insulating assembly comprising two side members, each side member having a length corresponding substantially to the common height of the window units, a plurality of top and bottom members including at least a first and a second top member, and at least a first and a second bottom member, and two transition members, each transition member being configured to be positioned between facing ends of the at least first and second top members, and the at least first and second bottom members, respectively, the two side members, the plurality of top and bottom members, and the two transition members forming a single insulating frame extending along a periphery of the window units including the
  • Roof windows to be installed in inclined roof surfaces come in a variety of types, and are either installed as stand-alone window units, in which all sides of the roof window borders on the roofing, or in configurations in which several window units are built together to combine into larger arrays providing a larger light influx into a room of a building, and in which only outer sides of the window units border on the surrounding roofing.
  • the window units are typically standard roof windows in which the right side frame member of the left-hand window unit is located adjacent to the left side frame member of the right-hand window unit, and/or the bottom frame member of the upper window unit is located adjacent to the top frame member of the lower window unit.
  • a roof structure comprising rafters and battens
  • at least one rafter and a number of battens will typically need to be removed to provide a sufficiently large aperture in the roof surface and roof structure. Removing battens weakens the roof structure, additionally the insulation of the roof itself is reduced when an opening is created in a roof structure.
  • roof windows are known from DE 20 2019 106959 U1 and EP 2 568 094 A1 .
  • each transition member comprises an insulating element and an engagement element configured to bring the transition member into engagement with the associated top and bottom members at the respective facing ends thereof, that each member of said plurality of top and bottom members of the insulating assembly has a length corresponding substantially to the respective width of the window units, that each transition member has a shape adapted to the shape of the respective member of said plurality of top and bottom members, and that the single insulating frame spans the combined width and the common height of the roof window system in the mounted condition.
  • the single insulating frame is easily assembled, since the transition members fit the respective ends of the top and bottom members, and furthermore, the engagement element of each transition member facilitates the connection of the transition members to the adjacent top members and bottom members, respectively.
  • each member of said plurality of top and bottom members is formed as a standard insulating frame piece comprising an insulating element and a supporting rail having a uniform cross-section.
  • standard insulating frame piece encompasses components of commercially available insulating frames fitting a counterpart roof window of a pre-defined size, for instance within a size range of products. In this way, cost-effective manufacture and storage are obtained, since the only part that needs to be tailored is the transition member.
  • the side member of the insulating frame may possibly be formed as a standard insulating frame piece in accordance with the height of the window unit.
  • the roof window system 1 comprises two window units 11, 12 configured side-by-side.
  • a window unit can consist of a single window including frame, sash and pane etc. and/or comprise of more than one single window. It could be two windows placed over and under each other as seen in an inclination of the roof or positioned arbitrarily in extension of each other in the roof surface, and preferably having a common width and thus individual height. Each such window in an over and under configuration could also have unique features relating to the frame, sash and pane etc. It could be a fixed frame with a pane, a frame with a sash being fixed or able to turn around a centre, top, bottom or side axis. Alternatively or additionally, the frame could hold a ventilation device, solar panel etc. Also such a window unit could be of different size, e.g. width, compared with another unit to be placed in the side by side configuration.
  • Each window unit 11, 12 here comprises an openable roof window of a well-known configuration, including a sash hinged in a frame representing the respective window unit by a top member 111, 121, two side members 112, 113, 122, 123, and a bottom member 114, 124.
  • a combined width W of the roof window system 1 is the combination of the width of first window unit W1, the dimension of a spacing SP between the two window units 11, 12, and the width of second window unit W2.
  • the common height H of the roof window system 1 is the height of any of window units 11, 12. It is noted that the individual widths of the first and second window units need not be identical; however, the height is a common height H.
  • the roof structure 2 comprises rafters 20, 21 and battens 22.
  • an upper horizontal trimmer 23, a lower horizontal trimmer 24 and a vertical trimmer 25 are installed.
  • auxiliary batten pieces 28 are installed opposite the intended position of an upper support beam 31 and a lower support beam 32, respectively, which form part of the support assembly 3 to be described in further detail below.
  • Fig. 2 is a perspective view of the roof structure 2 and of a support assembly 3 of the roof window system 1 as seen from the interior.
  • the roof structure 2 furthermore comprises an underroofing 26 placed over the rafters 20, 21 and below the battens 22.
  • the support assembly 3 is shown as from the interior of a building and comprises a set of support beams, here an upper support beam 31 and a lower support beam 32, configured to be mounted substantially horizontally in said roof structure 2 such that the top member 111, 121 and the bottom member 114, 124 of each window unit 11, 12 are intended to be connected with the respective support beam 31, 32 in a mounted condition of the roof window system 1, for instance by using window installation brackets connected to the frame and battens, respectively.
  • Fig. 3 is a sectional view and shows in more detail the upper support beam 31 and lower support beam 32 in relation to the window unit 11.
  • a lining panel 95 which at one edge is received in a groove 17 in the top member 111 of the first window unit 11. It is noted that such groove 17 is circumferential and present in all members of the frame of the roof windows constituting the window units. It is also shown that the lining panel 95 is allowed to form a bend between a first portion near the window unit 11 and a second inclined portion such that a diverging clearing is formed. By the bend, sufficient insulation is present in the area near the lining panel 95.
  • the upper and lower parts of the insulating assembly 5 can be seen placed between the top frame member 111 and the upper support beam 31 and the bottom frame member 114 and the lower support beam 32. Also it is shown how the underroofing 26 is arranged with respect to the upper and lower support beams 31, 32 and how a supplementary underroof collar 96 is arranged over the battens 22 and connected to the top frame member 111 and how its arranged under the lower batten 22 below the window unit 11 and connected to the bottom frame member 114 of the window unit 11.
  • the underroof collar 96 is brought into overlap with the underroofing 26.
  • a vapour barrier membrane 27 forms part of the roof structure 2 such that the insulation is protected from moisture from the interior.
  • a supplementary vapour barrier collar 97 is also provided, which at one edge portion is connected to the window units 11, 12 and at an opposite edge portion to the vapour barrier membrane 26. Also visible in Fig. 3 are two installation battens 29, of which the uppermost installation batten 29 is positioned to extend between the upper support beam 31 and the upper horizontal trimmer 23, and the lowermost installation batten 29 between the lower support beam 32 and the lower horizontal trimmer 24.
  • a flashing arrangement 91 at the top and a flashing arrangement 94 at the bottom which provide a weather-tight transition between the window units 11, 12 and the surrounding roofing together with further flashing arrangements 92 and 93 indicated in Figs 4 and 5 .
  • Fig. 6 and Fig. 7 are respectively an end perspective view of one of the support beams, here upper support beam 31, at its connection to the rafter 21.
  • the support beam 31 has a top surface 311, a side surface 312, a side surface 313, and a bottom surface 314.
  • the support beam 31 is inserted in a mounting bracket 4 comprising a base 41, an upstanding flange 43 on either side of the base 41, and two legs 42 each connected to a flange 43.
  • the mounting bracket 4 is in turn fastened to the rafter 21 by suitable fastening means.
  • the material of the support beams may in principle be chosen arbitrarily, as long as the material has sufficient strength and wear properties.
  • a wooden material is chosen, and may include laminated wooden beams such as Glulam beams, Kerto ® beams etc. which are dimensionally stable, strong and light-weight.
  • the base 41 comprises a first edge 411 and a second edge 412.
  • Each upstanding flange 43 is connected to, in the embodiment shown perpendicularly to, the base 41 at a first transition edge 431 of the upstanding flange 43 and each leg 42 is connected to the respective upstanding flange 43 at a second transition edge 432 of the upstanding flange 43.
  • the first transition edge 431 is perpendicular to the second transition edge 432.
  • Each leg 42 comprises an inner free side edge portion 422 in extension of the second transition edge 432 of the upstanding flange 43 such that an upper section of each said leg 42 extends above a plane of the base 41 and a lower section of each said leg 42 extends below the plane of the base 41.
  • the legs 42 have a relatively large extension in the height direction, perpendicular to the longitudinal direction of the rafter 21. In this way, it is possible to fasten the mounting brackets 4 at such a position that a minimum of fastening elements such as screws or nails are located close to the top of the rafter.
  • the zone surrounding the window units 11, 12 in the roof structure 2 is rendered free of fastening elements which is advantageous for a number of reasons, including the overall mounting as well as insulation and other climate adaptability properties.
  • each leg 42 and each upstanding flange 43 comprises at least one hole or aperture adapted to receive fastening means such as screws or nails.
  • each leg 42 is provided with a plurality of holes and apertures 426, 427, 428 such that at least one hole or aperture is located in the upper section and at least one hole or aperture in the lower section. This provides for flexibility in the selection of holes for fastening of the mounting bracket 4 to the rafter 21.
  • a hole 413 in the base 41 is intended to receive fastening means such as a screw driven into the support beam 31 or 32 once it has been introduced between the upstanding flanges 43.
  • the upstanding flanges 43 are also provided with a set of holes 436 serving also to receive screws to be driven into the support beam 31 and 32.
  • each mounting bracket 4 is connected to a rafter 21 or a vertical trimmer 25 by legs 42 such that the base 41 protrudes from the rafter 21 or vertical trimmer 25 and supports a bottom surface 314 of the respective support beam 31, 32.
  • all mounting brackets 4 are connected to rafters; in case there are trimmers on either side, all mounting brackets are connected thereto.
  • the connection advantageously takes place perpendicularly as shown.
  • each upstanding flange 43 protrudes from the rafter 21 or vertical trimmer 25 as the case may be. Thereby, it supports a side surface 312, 313 of the respective support beam 31, 32, as shown perpendicularly.
  • each support beam 31, 32 is in the configuration shown substantially flush with an upper side of the battens 22 of the roof structure 2 in the mounted condition of the roof window system 1. As mentioned in the above, this positioning is made possible by the particular configuration of the mounting brackets 4, in particular of the legs 42.
  • the aperture in the roof structure 2 is preferably provided with insulation and the window units 11 and 12 are prepared for installation.
  • stabilizing rails 6, 6b of a stabilizing assembly is connected to the respective window unit 11, 12 and window installation brackets 15 are connected to the window units in a manner known per se.
  • Fig. 11 an insulating assembly 5 is shown connected to the roof structure 2.
  • Figs 4 , 10 , 11 and 12 For the description of the stabilizing assembly and the insulating assembly of the roof window system according to the invention, reference is first made jointly to Figs 4 , 10 , 11 and 12 , in which a roof window system comprising two window units 11 and 12 configured to be mounted with a gap G of the spacing SP of about 100 mm is shown. Secondly, reference is made jointly to Figs 5 , 13 and 14 in which a roof window system comprising two window units 11 and 12 configured to be mounted with a gap G of the spacing SP of about 18 mm is shown. Details of the respective stabilizing assembly and insulating assembly will be described in the following.
  • Fig. 15 shows an exploded isometric view of the insulating assembly 5 of the roof window system 1.
  • the insulating assembly 5 comprises two side members 52, 53, a plurality of top and bottom members including at least a first and a second top member 511, 512, a first and a second bottom member 541, 542, and two transition members 55, 56, which together form a single insulating frame 50.
  • Each side member 52, 53 has a length corresponding substantially to the common height H of the window units 11, 12, and each member 511, 512, 541, 542 of the top and bottom members has a length corresponding substantially to the respective width W1, W2 of the window units 11, 12.
  • Each transition member 55, 56 is configured to be positioned between facing ends 5115, 5125 of the first and second top members 511, 512, and the at least first and second bottom members 541, 542, respectively.
  • the two side members 52, 53, the top and bottom members 511, 512, 541, 542, and the two transition members 55, 56 extend along a periphery of the window units 11, 12 including the top members, the outer side members 112, 123 of the window units 11, 12 and span the combined width W and the common height H and depth D of the roof window system.
  • each member of the plurality of top and bottom members 511, 512, 541, 542 is formed as a standard insulating frame piece comprising an insulating element 5121 and a supporting rail 5122 having a uniform cross-section.
  • standard insulating frame piece encompasses components of commercially available insulating frames fitting a counterpart roof window of a pre-defined size, for instance within a size range of products.
  • the configuration of an insulating frame piece is well-known per se, for instance from Applicant's EP 2677092 B1 .
  • the insulating assembly 5 furthermore comprises a set of four connector brackets 57 configured to connect the side members 52, 53 to a respective top and bottom member 511, 541, 512, 542.
  • the supporting rail 5122 of the standard insulating frame piece constituting each member of said plurality of top and bottom members 511, 512, 541, 542 has engagement means, preferably in the form of an opening, configured to engage with corresponding engagement means of the connector bracket 57, preferably comprising a barb or lug.
  • each transition member 55, 56 comprises an insulating element 551 and an engagement element 552 configured to bring the transition member 55, 56 into engagement with the associated top and bottom members 511, 512, 541, 542 at the respective facing ends 5115, 5125 thereof.
  • the insulating element 551 comprises an enlarged lower section 5511 and an upper section 5512, the enlarged lower section 5511 being provided with an inclined edge 5513 such that a ledge 5514 is formed in the transition area between the upper and lower sections 5512, 5511.
  • the ledge 5514 may in principle have any suitable configuration but preferably surrounds at least in part the upper section 5512 on an inner face and end faces as shown.
  • the engagement element 552 comprises an L-shaped clip with a first leg 5521 and a second leg 5522, the first leg 5521 being configured to be received in receiving means of the insulating element 551, which may take the form of a slot 5515 in an outer side of the upper section 5512 of the insulating element 551.
  • the second leg 5522 of the L-shaped clip comprises engagement means configured to engage with corresponding engagement means of the member of said plurality of top and bottom members 511, 512, 541, 542.
  • the engagement means here comprises a barb or lug 5523.
  • the shape of the transition member 55, 56 is adapted to the shape of the member of said plurality of top and bottom members 511, 512, 541, 542.
  • a width wb, wk and a depth db, dk of the transition member 55, 56 is chosen. Comparing Figs 18 and 19 , two different sizes are shown.
  • the transition members could be chosen to span the spacing between facing sides of neighbouring roof windows placed at an arbitrary distance from each other. Typically, some standard distances are foreseen, but in principle, the insulating assembly could be provided for spacings ranging from almost contact within the neighbouring roof windows to 500 mm within the neighbouring roof windows. In the embodiments shown, two standardized widths of 100 mm and 18 mm are described
  • the insulating element 551 of each transition member 55, 56 is advantageously made from a dimensionally stable material having good thermal insulating properties, preferably a polymer foam, such as extruded polyethylene (PE), polypropylene (PP), polyurethane (PU), polyvinylchloride (PVC), expanded polystyrene (EPS), extruded polystyrene (XPS) or mineral wool.
  • a polymer foam such as extruded polyethylene (PE), polypropylene (PP), polyurethane (PU), polyvinylchloride (PVC), expanded polystyrene (EPS), extruded polystyrene (XPS) or mineral wool.
  • the insulating assembly 5 is configured to cooperate with the stabilizing rail 6 positioned in the spacing SP between neighbouring window units 11, 12 in the mounted condition of the roof window system such that the stabilizing rails 6 and 6b are - at least in part - in abutment with the two transition members 55, 56.
  • the insulating assembly 5 is supplied as an unassembled kit, in which the two side members 52, 53 and the plurality of top and bottom members 511, 512, 541, 542 are packaged together, preferably in parallel with each other, and each of the two transition members 55, 56 is connected to a respective one of the at least first and second top members 511, 512 and the at least first and second bottom members 541, 542.
  • the transition members 55, 56 could be provided separately.
  • transition members 55, 56 are shown as separate members, they could optionally be integrally connected to the top and/or bottom members either in a configuration where the transition member 55, 56 is partly integrated into one of the first and second top/bottom members 511, 512, 541, 542 or in a configuration where the transition member 55, 56 is fully integrated into both of the first and second top/bottom members 511, 512, 541, 542 thus forming a continuous top/bottom member.
  • a first embodiment of the stabilizing rail 6 is shown. It is noted that a substantially identical, mirror-imaged second stabilizing rail 6b is provided as well. Where appropriate, reference will also be made to a second embodiment of the stabilizing rail 1006 of Fig. 22 and a third embodiment of the stabilizing rail 2006 of Fig. 23 , and to the interaction between respective insulating profiles of the stabilizing rails 6, 6b; 1006 of the stabilizing assembly and the transition member 55 of the insulation assembly 6 shown in Figs 24 and 25 , respectively. Only differences between the embodiments will be described in detail.
  • each stabilizing rail 6, 6b; 1006, 1006b; 2006, 2006b has a generally longitudinal extension and comprises at least a strengthening profile 62, 62b; 1062, 1062b; 2062, 2062b.
  • One or both stabilizing rails of a set comprises an insulating profile 61 fastened to the strengthening profile 62.
  • the strengthening profile 62 comprises means for connection to the side member 113 of one window unit 11 of neighbouring window units 11, 12.
  • the strengthening profile 62b of the second stabilizing rail 6b comprises means for connection to the side member 122 of the other window unit 12 of the roof window system.
  • the insulating profile 61 has such a thickness tk, tb and depth dk, db that it substantially spans half of the gap G of the spacing SP between facing side members 113, 122 of neighbouring window units 11, 12 in the mounted condition of the roof window system 1. In this way, the insulating profiles 61 and 61b together span the gap G of the spacing SP.
  • the strengthening profile 62 comprises a connection flange 621 with connection means 623, 624, 625, 626 for the connection of the stabilizing rail 6; 1006; 2006 to the window unit 11.
  • the connection means comprise a set of lugs 623 protruding from a surface of the connection flange 621 configured to face and match holes in the side member 113 of the window unit 11 to which the stabilizing rail 6; 1006; 2006 is connected.
  • connection means comprise at least one set of holes 624, 625 and/or set of apertures 626 for receiving fastening means and/or fittings, the position and number of the at least one set of holes or apertures 624, 625, 626 preferably depending on the common height H of the roof window system 1 and also matching holes provided in the side member 113 of the window unit 11. Matching the connection means of the stabilizing rail 6; 1006; 2006 with holes in the side members of the window units facilitates correct positioning and mounting.
  • fastening means is screws 627 indicated in Figs 10 and 13 .
  • the number and position of the fastening means may be chosen in accordance with the height of the window units 11, 12, and thus of the roof window system 1, such that three sets of two screws 627 are provided to fasten the stabilizing rail 6 to the side member 113 of the first window unit 11 and the stabilizing rail 6b to the side member 122 of the second window unit 12, namely one set near the top, one set near the bottom and one set substantially centrally.
  • the common height H is larger, more than three sets may be provided, and fewer than three sets of screws 627 may be provided, for instance as shown in Fig. 13 .
  • Each stabilizing rail 6, 6b; 1006, 1006b; 2006, 2006b has a length which is chosen in accordance with other dimensions of the roof window system 1, typically as substantially corresponding to the common height H of the roof window system 1.
  • At least the insulating profile 61 is chosen to have a length corresponding to the full length of the stabilizing rail 6 but the strengthening profile 62 has a length which is shorter than the full length of the stabilizing rail 6, such as to leave an end portion at each end of the stabilizing rail 6 in which the insulating profile 61 protrudes beyond opposing ends of the strengthening profile 62, the length of said end portions being preferably about 10 to 60 mm, more preferably about 40 mm.
  • ledge 5514 of the transition member 55 cooperates with the shoulder 613 and cut-out portion 614 of the insulating profile 61 at the top of the roof window system, and also at the inclined edge 5513 with the facing edge 5115 of the first top member 511 of the insulating assembly 5 (and correspondingly at the other side of the other stabilizing rail 6b).
  • the insulating profile 1061 of the first stabilizing rail 1006 is shown in interaction with the transition member 56.
  • the thickness tb of the insulating profile 61 which spans substantially the gap G of the spacing SP between neighbouring window units 11, 12 corresponds in substance to the width wb as defined by the upper section 5512 of the transition member 56.
  • This second stabilizing rail 1006b comprises only strengthening profile 1062b, which is mounted reversely on the window unit 12 as compared with the strengthening profile 1062 mounted on the window unit 11.
  • the strengthening profile 62 of the stabilizing rail 6; 1006 comprises a fastening flange 622 extending substantially perpendicularly to the connection flange 621, thus forming an L-shape, the fastening flange 622 being fastened to the insulating profile 61 at an under side, facing away from the connection flange 621, preferably by means of adhesion.
  • the insulating profile 61 of the stabilizing rail 6; 1006; 2006 comprises a base section 611 defining said pre-defined thickness tk, tb.
  • the insulating profile 61 of the stabilizing rail 6 comprises a ledge 612 and a shoulder portion 613 above the base section 611, and wherein the fastening flange 622 is positioned on the ledge 612 such that an upper side of the fastening flange 622 is substantially flush with an upper side of the shoulder portion 613.
  • the insulating profile 2061 of the stabilizing rail 2006 comprises a base section 2611 defining said pre-defined thickness tb and an upper section 2615 having a smaller thickness
  • the connection flange 2621 of the strengthening profile 2062 comprises a folded flange portion 2627, the connection flange 2621 and the folded flange portion 2627 form fastening surfaces relative to the upper section 2615 of the insulating profile 2061.
  • the insulating profile 61 of the stabilizing rail 6 is made from a dimensionally stable material having good thermal insulating properties, preferably a polymer foam, such as extruded polyethylene (PE), polypropylene (PP), polyurethane (PU), polyvinylchloride (PVC), expanded polystyrene (EPS), extruded polystyrene (XPS) or mineral wool.
  • a polymer foam such as extruded polyethylene (PE), polypropylene (PP), polyurethane (PU), polyvinylchloride (PVC), expanded polystyrene (EPS), extruded polystyrene (XPS) or mineral wool.
  • PE polyethylene
  • PP polypropylene
  • PU polyurethane
  • PVC polyvinylchloride
  • EPS expanded polystyrene
  • XPS extruded polystyrene
  • the strengthening profile 62 is made from any suitable material which is capable of performing the function of a reinforcing rail, e.g. with properties like a gusset.
  • a composite or metal material such as steel.
  • a first embodiment of a cover assembly is shown, in a disengaged and an engaged position, respectively.
  • the cover assembly is intended to cover the spacing between facing sides of neighbouring roof windows placed at an arbitrary distance from each other. Typically, some standard distances are foreseen, but in principle, the cover assembly could be provided for spacings ranging from a contact within the neighbouring roof windows to 500 mm within the neighbouring roof windows. In the embodiment shown, a standardized width of the gap G of the spacing SP of 100 mm is described. The person skilled in the art would be aware of necessary adaptions to the cover assembly to accommodate other dimensions.
  • the cover assembly comprises a set of receiver brackets 7 configured to be connected to the facing side members 113, 122 of neighbouring window units 11, 12 and a cover plate 8 configured to be brought into releasable engagement with the set of receiver brackets 7.
  • a prior art cover arrangement of a commercially available product traded under the name VELUX ® Dormer is shown in Fig. 28a and Fig. 28b .
  • the set of receiver brackets 7 here includes four items. The number may be chosen in dependence of the height of the window units and hence of the roof window system; however, four receiver brackets have been found appropriate for most sizes window units.
  • each receiver bracket 7 is adapted to be installed in a groove 17 in adjacent frame members 113, 122 of neighbouring window units 11, 12.
  • This groove 17 is as mentioned in the above circumferential and typically provided in the frame of most roof windows.
  • the groove 17 of the adjacent frame members serves to receive the receiver brackets 7.
  • Each receiver bracket 7 comprises a base portion 70 from which a set of two second mounting elements 71 protrude to form rounded shapes, a second engagement portion 72 being here formed near an end of the respective second mounting element 71.
  • each receiver bracket 7 comprises a leg 73 at an end of the second engagement portion 72 opposite the base portion 70.
  • each leg 73 is received in the groove 17 of the respective frame member 113, 122.
  • one or more holes 74 are provided in each leg 73 as shown in Fig. 30 in which two holes 74 are provided and configured to receive fastening means such as screws (not shown).
  • the cover plate 8 comprises a base portion 80 from which a set of two first mounting elements 81 protrude, a first engagement portion 82 being preferably formed near a free end of the respective first mounting element 81.
  • the cover plate 8 comprises an additional leg 83, preferably provided with a hook 84. Referring to Fig. 27 showing the engaged position, it is seen that the hook 84 is placed close to the frame members such that the entry to the groove 17 is also covered. It is furthermore seen that a side edge 801 of the base portion is located beyond the position of the respective first mounting element 81. In this way, the cover element 8 overlaps not only the entire spacing SP but also the portion of the side members 113, 122 in which the groove 17 is located.
  • the circumferential groove 17 also receives the vapour barrier collar 97.
  • the exact configuration of the vapour barrier collar 97 could in principle be chosen in any suitable way but it is preferred that that not only the top, bottom and outermost side members of the window units are provided with portions of the vapour barrier collar 97, but also the spacing SP between facing side members of the two neighbouring window units 11 and 12 as indicated in Fig. 26 .
  • the vapour barrier collar 97 is here formed as a strip spanning the spacing SP between the neighbouring window units 11 and 12.
  • a gasket 971 is included in the vapour barrier collar 97.
  • the legs 73 of the receiver bracket 7 are thus positioned such that the gasket 971 is squeezed between the leg 73 and the bottom of the groove 17.
  • the cover plate 8 comprises a first mounting element 81 and the receiver bracket 7 comprises a complementary second mounting element 71, and the first mounting element and the second mounting element are adapted to be brought into contact with one another.
  • the first mounting element 81 and the second mounting element 71 comprises such complementary shapes that movement of the cover plate 8 relative to the receiver bracket or receiver brackets 7 in a mounting direction is possible while movement in the opposite direction is at least temporarily prevented by a first engagement portion 82 on the first mounting element 81 brought into engagement with a second engagement portion 72 on the second mounting element 71 to ensure a snap or clip engagement.
  • the first mounting element 81 and the second mounting element 71 could be provided at one longitudinal edge of the cover plate 8 and the receiver bracket 7, respectively; however, it is preferred that they as shown are symmetrically placed along both side edges.
  • the first and second engagement portions 82, 72 are formed as mutually cooperating shapes including a protrusion, an indent, a wave shaped, a barb, a hook-shaped element, a catch-shaped element, a T-shaped cross-section, a V-shaped cross section and an arrowshaped cross section or any combination thereof.
  • the dimensions of the various parts are typically chosen in accordance with the material chosen.
  • the first mounting element 81 forms an angle ⁇ with a direction perpendicular to the base portion 80 of the cover plate 8. The angle ⁇ is small, typically about 2 to 5°, and ascertains that safe guidance of the cover plate 8 over the receiver brackets 7 is ensured.
  • the first mounting elements 81 may be said to have the form of a track configured to be guided over and to be received, partially or fully, by the second mounting elements 71.
  • the cover plate 8 is placed such that the first mounting elements 81 with the respective first engagement portions 82 are guided over the second mounting elements 71 of the receiver brackets 7, until the first engagement portions 82 snap behind the second engagement portions 72.
  • the legs 73 also function as a stop of the movement such that the installer will experience a clear indication, for instance in the form of a distinct sound, that the mounted condition has been reached.
  • Each receiver bracket 7 is made of a robust material such as metal or an alloy or a plastic compound or a combination thereof, preferably extruded.
  • the cover plate 8 is typically made of a metal or an alloy or a plastic compound or wood a combination thereof.
  • a demount tool 85 is provided in an embodiment of the roof window system according to the invention.
  • the demount tool 85 comprises a substantially plane base 850. From the base 850, a first flange 851 protrudes at a rounded section 852, ending in an edge 8511.
  • a second flange 853 protrudes from the base 850 at a distance from the first flange 851. The second flange 853 ends in an edge 8531 slightly beyond the edge 8511 of the first flange 851.
  • a grip opening 854 is provided in the base 850.
  • the first flange 851 of the demount tool 85 is introduced into the gap behind the leg 83 of the cover plate 8, at the position of the hook 84.
  • the second flange 853 of the demount tool 85 overlaps the base portion 80 of the cover plate in the area of the side edge 801 while the base 850 of the demount tool 85 is substantially perpendicular to the plane of the base portion 80.
  • the user then rotates the demount tool 85 outwards, i.e. in the direction away from the base portion 80 of the cover plate 8, by way of a lever rotating about the rounded section 852 which in turn abuts a surface of the side member 113, 122 in question.
  • the applied moment releases the engagement between the cover plate 8 and the receiver bracket 7. If needed, the process is repeated at the position of each receiver bracket 7 and at both side edges 801 of the cover plate 8.
  • the demount tool 86 comprises a base 860. From the base 860, a flange 861 protrudes while a handle portion 864 is formed oppositely to the flange 861. In case the cover plate 8 is to be removed, the flange 861 of the demount tool 86 is introduced into the gap behind the cover plate 8 and the engagement between the cover plate 8 and the receiver bracket 7 is released by handling the demount tool 86.
  • An opening 865 is provided in the handle portion 864 in order to allow hanging the demount tool 86 on for instance a hook in-between uses.
  • reinforcement ribs 866 are provided to incur rigidity to the demount tool 86.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Claims (12)

  1. Système de fenêtre de toit (1) comprenant au moins deux unités de fenêtre (11, 12) conçues pour être incorporées côte à côte, séparées par un espacement (SP), dans une structure de toit (2) d'un toit, en particulier comprenant une surface de toit inclinée, chaque unité de fenêtre (11, 12) définissant une largeur (W1, W2) et une hauteur commune (H), ledit système de fenêtre de toit (1) définissant une largeur combinée (W) dans un état installé et comprenant un ensemble d'isolation (5) comprenant une pluralité d'éléments de cadre formant au moins un cadre isolant (50), l'ensemble d'isolation (5) comprenant deux éléments latéraux (52, 53), chaque élément latéral (52, 53) présentant une longueur correspondant sensiblement à la hauteur commune (H) des unités de fenêtre (11, 12), une pluralité d'éléments supérieurs et inférieurs comprenant au moins des premier et deuxième éléments supérieurs (511, 512), et au moins des premier et deuxième éléments inférieurs (541, 542), et deux éléments de transition (55, 56), chaque élément de transition (55, 56) étant conçu pour être placé entre des extrémités en regard (5115, 5125) respectivement des au moins premier et deuxième éléments supérieurs (511, 512), et des au moins premier et deuxième éléments inférieurs (541, 542), les deux éléments latéraux (52, 53), la pluralité d'éléments supérieurs et inférieurs (511, 512, 541, 542), et les deux éléments de transition (55, 56) formant un cadre isolant unique (50) s'étendant le long d'une périphérie des unités de fenêtre (11, 12) comprenant les éléments supérieurs, les éléments latéraux extérieurs (112, 123) des unités de fenêtre (11, 12) et les éléments inférieurs,
    caractérisé en ce que
    chaque élément de transition (55, 56) comprend un élément isolant (551) et un élément d'accouplement (552) conçu pour accoupler l'élément de transition (55, 56) aux éléments supérieurs et inférieurs (511, 512, 541, 542) associés au niveau de leurs extrémités en regard (5115, 5125) respectives,
    en ce que chaque élément de ladite pluralité d'éléments supérieurs et inférieurs de l'ensemble d'isolation (5) présente une longueur correspondant sensiblement à la largeur (W1, W2) respective des unités de fenêtre (11, 12),
    en ce que chaque élément de transition (55, 56) présente une forme adaptée à la forme de l'élément respectif parmi ladite pluralité d'éléments supérieurs et inférieurs (511, 512, 541, 542),
    et en ce que le cadre isolant unique (50) couvre la largeur combinée (W) et la hauteur commune (H) du système de fenêtre de toit dans l'état installé.
  2. Système de fenêtre de toit selon la revendication 1, dans lequel chaque élément de ladite pluralité d'éléments supérieurs et inférieurs (511, 512, 541, 542) est formé comme une pièce de cadre isolant standard comprenant un élément isolant (5121) et un rail de support (5122) présentant une section transversale uniforme.
  3. Système de fenêtre de toit selon la revendication 1 ou 2, dans lequel l'ensemble d'isolation (5) comprend, en outre, un jeu de quatre équerres d'assemblage (57) conçues pour raccorder les éléments latéraux (52, 53) à un élément supérieur et inférieur (511, 541, 512, 542) respectif.
  4. Système de fenêtre de toit selon les revendications 2 et 3, dans lequel le rail de support (5122) de la pièce de cadre isolant standard constituant chaque élément de ladite pluralité d'éléments supérieurs et inférieurs (511, 512, 541, 542) comporte des moyens d'accouplement, de préférence sous la forme d'une ouverture, conçus à des fins d'accouplement avec des moyens d'accouplement correspondants de l'équerre d'assemblage (57), de préférence comprenant un ergot ou une saillie.
  5. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel l'élément isolant (551) comprend une section inférieure élargie (5511) et une section supérieure (5512), la section inférieure élargie (5511) étant pourvue d'un bord incliné (5513) de telle sorte qu'un rebord (5514) est formé, le rebord (5514) entourant, de préférence, la section supérieure (5512) sur une face intérieure et des faces d'extrémité.
  6. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel l'élément d'accouplement (552) comprend une pièce de fixation en L comportant une première patte (5521) et une seconde patte (5522), la première patte (5521) étant conçue pour être reçue dans des moyens de réception de l'élément isolant (551), de préférence sous la forme d'une fente (5515), plus préférablement dans un côté extérieur de la section supérieure (5512) de l'élément isolant (551).
  7. Système de fenêtre de toit selon la revendication 6, dans lequel la seconde patte (5522) de la pièce de fixation en L comprend des moyens d'accouplement conçus pour s'accoupler avec des moyens d'accouplement correspondants de l'élément parmi ladite pluralité d'éléments supérieurs et inférieurs (511, 512, 541, 542), lesdits moyens d'accouplement comprenant, de préférence, un ergot ou une saillie (5523).
  8. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel au moins une largeur (wb, wk) de l'élément de transition (55, 56) est choisie en fonction de l'espacement (SP) entre des unités de fenêtre (11, 12) adjacentes.
  9. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel l'élément isolant (551) de chaque élément de transition (55, 56) est fait d'un matériau à dimensions stables présentant de bonnes propriétés d'isolation thermique, de préférence une mousse polymère, telle que du polyéthylène extrudé, du polypropylène, du polyuréthane, du polychlorure de vinyle, du polystyrène expansé, du polystyrène extrudé ou de la laine minérale.
  10. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel l'ensemble d'isolation (5) est conçu pour coopérer avec un ensemble de stabilisation (6) placé dans l'espacement (SP) entre des unités de fenêtre (11, 12) adjacentes dans l'état installé du système de fenêtre de toit, de préférence de telle sorte que l'ensemble de stabilisation (6) est accolé aux deux éléments de transition (55, 56).
  11. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel, dans un état de livraison, l'ensemble d'isolation (5) est livré sous la forme d'un kit non assemblé, dans lequel les deux éléments latéraux (52, 53) et la pluralité d'éléments supérieurs et inférieurs (511, 512, 541, 542) sont emballés ensemble, de préférence parallèlement les uns aux autres, et chacun des deux éléments de transition (55) est raccordé à un élément respectif parmi les au moins premier et deuxième éléments supérieurs (511, 512) et les au moins premier et deuxième éléments inférieurs (541, 542).
  12. Système de fenêtre de toit selon l'une quelconque des revendications précédentes, dans lequel les éléments de transition (55, 56) sont fournis comme des éléments séparés ou raccordés à un élément respectif parmi la pluralité d'éléments supérieurs et inférieurs, éventuellement de façon à en faire partie intégrante.
EP21216869.4A 2020-12-30 2021-12-22 Système de fenêtre de toit comportant un encadrement isolant Active EP4023832B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA202070877A DK181180B1 (en) 2020-12-30 2020-12-30 A roof window system with an insulating frame

Publications (3)

Publication Number Publication Date
EP4023832A1 EP4023832A1 (fr) 2022-07-06
EP4023832B1 true EP4023832B1 (fr) 2023-08-09
EP4023832C0 EP4023832C0 (fr) 2023-08-09

Family

ID=79021160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21216869.4A Active EP4023832B1 (fr) 2020-12-30 2021-12-22 Système de fenêtre de toit comportant un encadrement isolant

Country Status (4)

Country Link
EP (1) EP4023832B1 (fr)
DK (1) DK181180B1 (fr)
HU (1) HUE063502T2 (fr)
PL (1) PL4023832T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004055292A1 (fr) * 2002-12-16 2004-07-01 Vkr Holding A/S Element solin lateral et procede de fabrication dudit element
PL226250B1 (pl) * 2011-01-31 2017-06-30 Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością Zestaw do obrobki blacharskiej, uszczelniajacy polaczenie zespolu co najmniej dwoch konstrukcji przenikajacych przez dach
PL219728B1 (pl) * 2011-09-12 2015-07-31 Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością Okno dachowe, a zwłaszcza okno dachowe, dostosowane do montażu w zespole kolektorów słonecznych
DK177645B1 (en) * 2012-06-19 2014-01-27 Vkr Holding As An insulating frame for a roof window and a method of mounting a roof window
DE202018006297U1 (de) 2017-12-27 2019-12-20 Vkr Holding A/S Ein Tragrahmen für einen Dämmrahmen für ein Dachfenster
DE202019106959U1 (de) * 2019-12-13 2020-01-16 Roto Frank Dachsystem-Technologie GmbH Hilfssparren, Dachfensteranordnung sowie Dachanordnung

Also Published As

Publication number Publication date
DK181180B1 (en) 2023-03-28
EP4023832A1 (fr) 2022-07-06
DK202070877A1 (en) 2022-08-02
EP4023832C0 (fr) 2023-08-09
PL4023832T3 (pl) 2024-01-29
HUE063502T2 (hu) 2024-01-28

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