EP1739247B1 - An insulating frame for a roof window - Google Patents
An insulating frame for a roof window Download PDFInfo
- Publication number
- EP1739247B1 EP1739247B1 EP05388055A EP05388055A EP1739247B1 EP 1739247 B1 EP1739247 B1 EP 1739247B1 EP 05388055 A EP05388055 A EP 05388055A EP 05388055 A EP05388055 A EP 05388055A EP 1739247 B1 EP1739247 B1 EP 1739247B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulating frame
- upper section
- window
- frame
- 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.)
- Not-in-force
Links
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 8
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
Definitions
- the present invention relates to an insulating frame for insulating a roof window, said insulating frame comprising a plurality of insulating frame pieces surrounding an opening, the shape of which corresponds substantially to the shape of the roof window and the dimensions of which is larger than or corresponding to the outer dimensions of the roof window, each insulating frame piece having an inner side surface facing the opening, a bottom surface and at least one outer side surface facing away from the opening.
- Such insulating frames are known from the applicant's own prior applications EP-A1-1 061 199 and WO 98/31896 as well as from EP-B1-0 679 773 and EP-B1-0 744 512 WO 98/31896 shows an insulating frame according to the preamble of claim 1.
- the former two of these do not address the problem of achieving an insulation of the part of the window projecting above the supporting structure and the solution proposed in latter two results in a dissatisfactory result, primarily due to a non-aesthetic appearance of the mounted window.
- the upper section of the insulating frame piece(s) is substantially wedge shaped with an apex angle of 20-45 degrees.
- prior art cover and flashing members may be used by simply changing their bending angles or the position of the bend.
- the insulating frame consists of four frame pieces corresponding to the four sides of a rectangular roof window. These frame pieces may be manufactured separately, e.g. by extrusion or moulding, and subsequently joined together by means of suitable brackets or by welding or gluing, either at the factory or at the installation site. Alternatively some or all of the frame pieces may be moulded as one.
- the two side frame pieces being located at the sides of the window in the mounted state have upper sections with substantially identical cross sections and that the frame piece being located uppermost and/or the frame piece being located lowermost in the mounted state have upper sections with cross sections that differ from that of the side insulating frame pieces. It may particularly be advantageous if the upper section of the bottom frame piece has a smaller cross section than the others, as the connecting of the bottom flashing and cover members to the roof construction below the window is traditionally performed in a quite distinct way compared to the connecting of the top and side flashing and cover members.
- top frame piece may also be advantageous with a special design of the top frame piece e.g. when insulating a top-hung window where space is needed for the downwards turning of the cover member used on the top member of the window sash.
- the top and/or bottom frame piece may even be advantageous that the top and/or bottom frame piece have no upper section at all.
- the need for insulation decreases towards the outer surface of the construction.
- a further optimization of the use of the insulating material may therefore be reached by shaping the insulating frame so that the width of the lower section of one or more frame pieces decreases continuously or stepwise in the height direction towards the upper section.
- the insulating frame may in principle be made from any material having insulating properties, but it is preferred that it is made from moulded or extruded foam plastic, such as polyurethane foam.
- the roof window may bear on ledges on the sides of the insulating frame pieces that face the opening and the frame must therefore be able to transfer the load to the supporting roof structure.
- This may be achieved by making the insulating frame from a sufficiently strong and rigid material, but the insulating frame pieces may also be provided with one or more stiffening members such as lists or strips.
- the stiffening members may advantageously be used for supporting and attachment of mounting brackets for connecting the insulating frame to the supporting roof structure.
- an underroof or underroof collar is normally connected to the insulating frame to ensure a watertight construction.
- An extremely tight construction may, however, lead to the formation of condensation and it is therefore preferred that the second side of one or more of the insulating frame pieces are provided with projections and/or recesses allowing air passage between and/or through them in a direction perpendicular to the length of the insulating frame piece.
- kit for mounting and insulation of a roof window comprising an insulating frame according to claim 1, an underroof collar, at least one flashing member and at least one cover member, said insulating frame surrounding an opening larger than or corresponding to the external dimensions of the roof window to be mounted, so that the window may be placed within the opening, where the insulating frame includes a plurality of insulating frame pieces at least one of which have an upper section with a first side facing the opening and a second side facing a flashing and/or cover member when mounted, a bottom portion of the upper section having a predetermined maximum width, the width between the first side and the second side decreasing from said maximum width in the height direction of the upper section such that the second side forms a predetermined angle other than perpendicular with the bottom portion, and the first side having such a height that a relatively large portion of the distance existing between an lowermost level of the flashing member and an uppermost level of the cover member in the mounted state is overlapped by the upper section of the insulating frame according to claim 1, an underroof
- the underroof or underroof collar may be attached to the insulating frame by any suitable means such as welding, gluing, mechanical fastening means, such as clamps, or friction between the material of the underroof or underroof collar and the insulating frame.
- a roof structure with a roof window mounted in an insulating frame said roof structure including a roofing, a supporting structure and an underroof comprising at least an external waterproof membrane and an insulating layer, said underroof being located between the roofing and the supporting structure and comprising an opening for mounting of the window, said insulating frame comprising a lower surface intended for resting against the upper surface of the underroof and with an opening, which corresponds to the opening in the underroof and which is larger than or corresponding to the external dimensions of the roof window, so that the window may be placed within the opening, where the insulating frame includes a plurality of insulating frame pieces at least one of which have an upper section with a first side intended to face a corresponding window frame piece and a second side intended to face a flashing and/or cover member, a bottom portion of the upper section having a predetermined maximum width, the width between the first side and the second side decreasing from said maximum width in the height direction of the
- FIG. 1 An embodiment of the insulating frame 1 according to the invention is shown in Fig. 1 .
- the frame consists of two side frame pieces 2a,2b, a top frame piece 3 and a bottom frame piece 4, where the designations side, top and bottom refer to the orientation, when the frame has been mounted in an inclined roof.
- the frame encloses an opening 5, the shape and dimensions of which correspond to those of the window (not shown) to be insulated.
- all of the frame pieces have a ledge 6 on the side surface facing the opening.
- This ledge is intended to fill the space underneath the part of the window frame 20 projection over the window cashing 29, i.e. between the cashing and the circumference of the window, and it may further function as a bearing for the window.
- the dimensions of the opening below these ledges are therefore somewhat smaller than those of the window, while the dimensions of the opening above are slightly larger.
- the ledges have a width of 5-15 millimetres and the oversize of the uppermost part of the opening in relation to the window amounts to 1-2 millimetres on each side.
- the dimensions of the opening receiving the window correspond as closely as possible to the dimensions of the window to thereby achieve the tightest possible transition between the window and the insulating frame.
- the insulating frame may e.g. be attached to the window frame by gluing or the insulating frame may be made from an elastic material, allowing an expansion of the insulating frame during mounting and a subsequent contraction thereof to a close fit with the window frame. The latter may be achieved by forming the insulating frame from a soft foamed plastic.
- Figs. 2 and 3 shows the lower part 7 of the frame below the ledges as rectangular and massive, but it is to be understood, that it may also shaped as e.g. a trapezoid and that the ledges may be replaced by continuous or local projections (not shown).
- the ledges are capable of supporting the entire weight of the window, but it is to be understood that the window may also the supported wholly or partly by mounting brackets.
- ledges or projections need not be present on any of or on all four frame pieces 2a,2b,3,4 and that they need not be arranged symmetrically or evenly.
- the ledges may be provided as or strengthened by separate members (not shown), which are embedded in or attached to the frame pieces.
- the frame itself which is preferably made of a foamed polymer, may for example be manufactured by moulding in one piece or by joining of four bevelled pieces. When using separate pieces these may be manufactured by extrusion of a continuous profile, which is subsequently cut to size in the appropriate lengths. This way of making the frame is particularly preferred, as the same profile may be used for frames of several different sizes by merely adjusting the length of each piece. In addition, the need for a number of different moulds is avoided.
- the joining of separate frame pieces may be achieved by means of brackets, mechanical fastening means, welding, gluing etc. or a combination of such methods and separate corner sections may be employed.
- the insulating frame serves as a support for the window, a frame material with sufficient strength must of cause be chosen, but in other cases any material with suitable insulating properties may be used. The joining of the frame may however be facilitated by choosing a relatively stiff material.
- the cross section of the bottom frame piece 4 differs from that of the side and top frame pieces 2a,2b,3.
- the upper sections of the side and top pieces have the cross sectional shape of a right-angled triangle with an apex angle of approximately 20 degrees.
- the distance from the ledge 6 on the inner surface to the top of the upper section 8 corresponds approximately to the height of the window frame 20, as may also be seen from Fig. 4 .
- the window frame height is typically approximately 10 cm for standard type roof windows, but vary depending on the type, design and overall size of the window.
- the apex of the triangle When using an insulating frame 1, which overlaps almost the entire height of the window frame 20, the apex of the triangle will be located just below the cover member 21 covering the upper surface of the window frame. However, a distance corresponding to e.g. three quarters of the window frame height may be adequate to provide a satisfactory insulation and such a reduction may ease the mounting of the flashing members 22 and cover members 21.
- Fig. 3 shows the bottom frame piece 4 in detail.
- This frame piece has an upper section 8 with the general shape of an isosceles triangle, but where the hypotenuse is replaced by a curved surface.
- This shape corresponds closely to the room available underneath a traditional lower flashing 23 as used with standard type roof window 19 as may be seen from Fig. 5 .
- cover member 24 and skirt member 25 for ensuring a watertight transition between the lowermost part of the window and the roofing below it, is avoided. If, however, such considerations are less important than the improvement of the insulation of the window, a more voluminous upper section may be used at the bottom frame piece as well.
- the shape of the lower section of the top insulating frame piece 3 may vary from the one shown in Fig. 1 .
- the insulating properties may be improved and the insulating frame may be adapted to correspond to the shape of the side cashing 29.
- Such an adaptation has no influence on the design of the upper section of the insulating frame piece an thus does not necessitate an adaptation of the flashing member 30 and cover member 31 used at the top of the window 19.
- the insulating frame shown in Fig. 1-3 is intended for use with a centre-hung window. It is to be understood, that some factors may need adaptation if the frame is to be used with other types of windows. For example the height of some of the insulating frame pieces may be relatively smaller, such that only a smaller part of the window frame is covered, or the triangular cross section may be modified to comprise a curved outer surface. This may e.g. be the case with the top frame piece, when the insulating frame is used for mounting a top-hung window.
- an insulating frame for mounting of a centre-hung window may be provided with depressions (not shown) in the side frame pieces 2a,2b below the hinge axis to thereby give room for the side cover members during opening of the window. This may e.g. be achieved by providing two side frame pieces at each side, one above and one below the hinge axis.
- Figs. 1 and 2 the outer surface 9 of the upper section 8 of the side frame piece are shown to have projecting buds 10 arranged in a continuous pattern.
- the purpose thereof is to create an air gap between the surface of the insulating frame 1 and an underroof collar 26, which, as shown in Fig. 6 , is attached to the insulating frame to provide a watertight transition to the underroof.
- the air gap 27 ensures a ventilation of the space between the underroof and the insulating frame, which reduces condensation.
- Fig. 6 arrows indicate the airflow.
- the buds may be replaced by any other surface profile, which will ensure the ventilation, e.g. a series of recesses or grooves extending perpendicularly to the length of the frame piece.
- the frame pieces are provided with such ventilation aids 10, but the aids may be different on the different frame pieces and may be distributed unevenly over the surface thereof. It is, however, to be understood that the ventilation aids may be completely omitted if using an underroof or underroof collar of a material, which allows diffusion of vapour towards the outside.
- the attachment of the underroof collar 26 to the insulating frame 1 is achieved by means of clamps 28 but any suitable attachment means may be used as long as the air gap is ensured.
- the underroof collar may be attached to the window frame 20 (not shown in Fig. 6 ) above the insulating frame.
- the underroof is itself made from a relatively flexible sheet material, it may be attached directly to the insulating frame in a manner corresponding the one shown in Fig. 6 or to the window frame 20 without the need for an underroof collar 26.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Door And Window Frames Mounted To Openings (AREA)
- Wing Frames And Configurations (AREA)
- Building Environments (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Body Structure For Vehicles (AREA)
- Inorganic Insulating Materials (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
Description
- The present invention relates to an insulating frame for insulating a roof window, said insulating frame comprising a plurality of insulating frame pieces surrounding an opening, the shape of which corresponds substantially to the shape of the roof window and the dimensions of which is larger than or corresponding to the outer dimensions of the roof window, each insulating frame piece having an inner side surface facing the opening, a bottom surface and at least one outer side surface facing away from the opening.
- Such insulating frames are known from the applicant's own prior applications
EP-A1-1 061 199 andWO 98/31896 EP-B1-0 679 773 andEP-B1-0 744 512 WO 98/31896 claim 1. However, the former two of these do not address the problem of achieving an insulation of the part of the window projecting above the supporting structure and the solution proposed in latter two results in a dissatisfactory result, primarily due to a non-aesthetic appearance of the mounted window. - It is therefore the object of the invention to provide an insulating frame, which insulates the part of the roof window projecting above the supporting roof structure and which may be used without jeopardizing the aesthetic appearance of the window when mounted.
- This object is achieved by an insulating frame according to
claim 1. - The combination of a frame, which insulates the transition between the window and the supporting roof structure, and an upper section with a decreasing width and which insulates the part of the window projecting above the supporting structure, has been discovered to lead to a particularly effective insulation. Not only is the entire window frame insulated by a single frame unit, the decreasing width of the upper section both makes the installed window appear less voluminous seen from the outside and reduces the quantity of insulating material needed without influencing the general insulating properties of the construction.
- According to the invention the upper section of the insulating frame piece(s) is substantially wedge shaped with an apex angle of 20-45 degrees. As the insulating frame does then not add any extra width at the top surface of the roof window, prior art cover and flashing members may be used by simply changing their bending angles or the position of the bend.
- For the sake of simplicity of manufacture and installation it is preferred that the insulating frame consists of four frame pieces corresponding to the four sides of a rectangular roof window. These frame pieces may be manufactured separately, e.g. by extrusion or moulding, and subsequently joined together by means of suitable brackets or by welding or gluing, either at the factory or at the installation site. Alternatively some or all of the frame pieces may be moulded as one.
- To allow a further optimization of the balance between the aesthetic appearance of the window, which demands a slim design, and the need for insulation, which demands a relatively bulky design, it is preferred that the two side frame pieces being located at the sides of the window in the mounted state have upper sections with substantially identical cross sections and that the frame piece being located uppermost and/or the frame piece being located lowermost in the mounted state have upper sections with cross sections that differ from that of the side insulating frame pieces. It may particularly be advantageous if the upper section of the bottom frame piece has a smaller cross section than the others, as the connecting of the bottom flashing and cover members to the roof construction below the window is traditionally performed in a quite distinct way compared to the connecting of the top and side flashing and cover members. However, it may also be advantageous with a special design of the top frame piece e.g. when insulating a top-hung window where space is needed for the downwards turning of the cover member used on the top member of the window sash. In some embodiments it may even be advantageous that the top and/or bottom frame piece have no upper section at all.
- As mentioned above, the need for insulation decreases towards the outer surface of the construction. A further optimization of the use of the insulating material may therefore be reached by shaping the insulating frame so that the width of the lower section of one or more frame pieces decreases continuously or stepwise in the height direction towards the upper section.
- It is to be noted, that the distinction between an upper and a lower section is not be considered as implying the need for any kind of physical boundaries, but only a difference in geometry and/or function.
- The insulating frame may in principle be made from any material having insulating properties, but it is preferred that it is made from moulded or extruded foam plastic, such as polyurethane foam.
- According to the invention, the roof window may bear on ledges on the sides of the insulating frame pieces that face the opening and the frame must therefore be able to transfer the load to the supporting roof structure. This may be achieved by making the insulating frame from a sufficiently strong and rigid material, but the insulating frame pieces may also be provided with one or more stiffening members such as lists or strips. The stiffening members may advantageously be used for supporting and attachment of mounting brackets for connecting the insulating frame to the supporting roof structure.
- During installation of the roof window an underroof or underroof collar is normally connected to the insulating frame to ensure a watertight construction. An extremely tight construction may, however, lead to the formation of condensation and it is therefore preferred that the second side of one or more of the insulating frame pieces are provided with projections and/or recesses allowing air passage between and/or through them in a direction perpendicular to the length of the insulating frame piece. The object of the invention is further achieved with a kit for mounting and insulation of a roof window, comprising an insulating frame according to
claim 1, an underroof collar, at least one flashing member and at least one cover member, said insulating frame surrounding an opening larger than or corresponding to the external dimensions of the roof window to be mounted, so that the window may be placed within the opening, where the insulating frame includes a plurality of insulating frame pieces at least one of which have an upper section with a first side facing the opening and a second side facing a flashing and/or cover member when mounted, a bottom portion of the upper section having a predetermined maximum width, the width between the first side and the second side decreasing from said maximum width in the height direction of the upper section such that the second side forms a predetermined angle other than perpendicular with the bottom portion, and the first side having such a height that a relatively large portion of the distance existing between an lowermost level of the flashing member and an uppermost level of the cover member in the mounted state is overlapped by the upper section of the insulating frame piece, where that the underroof collar may be brought into contact with the insulating frame at or above the bottom portion of the upper section of the insulating frame, and where one or more of the flashing and/or cover members are shaped with angles corresponding to the angle determined by the decreasing width of the upper section. - The underroof or underroof collar may be attached to the insulating frame by any suitable means such as welding, gluing, mechanical fastening means, such as clamps, or friction between the material of the underroof or underroof collar and the insulating frame.
- Likewise, the object of the invention is achieved by a roof structure with a roof window mounted in an insulating frame according to
claim 1, said roof structure including a roofing, a supporting structure and an underroof comprising at least an external waterproof membrane and an insulating layer, said underroof being located between the roofing and the supporting structure and comprising an opening for mounting of the window, said insulating frame comprising a lower surface intended for resting against the upper surface of the underroof and with an opening, which corresponds to the opening in the underroof and which is larger than or corresponding to the external dimensions of the roof window, so that the window may be placed within the opening, where the insulating frame includes a plurality of insulating frame pieces at least one of which have an upper section with a first side intended to face a corresponding window frame piece and a second side intended to face a flashing and/or cover member, a bottom portion of the upper section having a predetermined maximum width, the width between the first side and the second side decreasing from said maximum width in the height direction of the upper section such that the second side forms a predetermined angle other than perpendicular with the bottom portion, and the first side having such a height that in the mounted state a relatively large portion of the window frame is overlapped by the upper section of the insulating frame. - In the following, the invention will be described in further detail by reference to the accompanying drawing showing two embodiments of the invention.
-
Fig. 1 shows an insulating frame according to the invention seen in a perspective view, -
Fig. 2 a section of a side piece of the frame inFig. 1 , -
Fig. 3 a section of the bottom piece of the frame inFig. 1 , -
Fig. 4 a roof window mounted in the insulating frame ofFig. 1 in a sectional view along the line IV-IV, -
Fig. 5 a roof window mounted in the insulating frame ofFig. 1 in a sectional view along the line V-V, and -
Fig. 6 a section of a side piece corresponding toFig. 2 with an underroof collar connected thereto. - An embodiment of the
insulating frame 1 according to the invention is shown inFig. 1 . The frame consists of two side frame pieces 2a,2b, atop frame piece 3 and a bottom frame piece 4, where the designations side, top and bottom refer to the orientation, when the frame has been mounted in an inclined roof. The frame encloses an opening 5, the shape and dimensions of which correspond to those of the window (not shown) to be insulated. - In this embodiment all of the frame pieces have a
ledge 6 on the side surface facing the opening. This ledge is intended to fill the space underneath the part of thewindow frame 20 projection over the window cashing 29, i.e. between the cashing and the circumference of the window, and it may further function as a bearing for the window. The dimensions of the opening below these ledges are therefore somewhat smaller than those of the window, while the dimensions of the opening above are slightly larger. Typically, the ledges have a width of 5-15 millimetres and the oversize of the uppermost part of the opening in relation to the window amounts to 1-2 millimetres on each side. - It is preferred that the dimensions of the opening receiving the window correspond as closely as possible to the dimensions of the window to thereby achieve the tightest possible transition between the window and the insulating frame. The insulating frame may e.g. be attached to the window frame by gluing or the insulating frame may be made from an elastic material, allowing an expansion of the insulating frame during mounting and a subsequent contraction thereof to a close fit with the window frame. The latter may be achieved by forming the insulating frame from a soft foamed plastic.
-
Figs. 2 and 3 shows thelower part 7 of the frame below the ledges as rectangular and massive, but it is to be understood, that it may also shaped as e.g. a trapezoid and that the ledges may be replaced by continuous or local projections (not shown). In the embodiment shown, the ledges are capable of supporting the entire weight of the window, but it is to be understood that the window may also the supported wholly or partly by mounting brackets. Likewise, it is to be understood that ledges or projections need not be present on any of or on all fourframe pieces 2a,2b,3,4 and that they need not be arranged symmetrically or evenly. Further, the ledges may be provided as or strengthened by separate members (not shown), which are embedded in or attached to the frame pieces. - The frame itself, which is preferably made of a foamed polymer, may for example be manufactured by moulding in one piece or by joining of four bevelled pieces. When using separate pieces these may be manufactured by extrusion of a continuous profile, which is subsequently cut to size in the appropriate lengths. This way of making the frame is particularly preferred, as the same profile may be used for frames of several different sizes by merely adjusting the length of each piece. In addition, the need for a number of different moulds is avoided.
- The joining of separate frame pieces may be achieved by means of brackets, mechanical fastening means, welding, gluing etc. or a combination of such methods and separate corner sections may be employed.
- If the insulating frame serves as a support for the window, a frame material with sufficient strength must of cause be chosen, but in other cases any material with suitable insulating properties may be used. The joining of the frame may however be facilitated by choosing a relatively stiff material.
- As may be seen from
Fig. 1 and in particularFigs. 2 and 3 , the cross section of the bottom frame piece 4 differs from that of the side andtop frame pieces 2a,2b,3. - The upper sections of the side and top pieces have the cross sectional shape of a right-angled triangle with an apex angle of approximately 20 degrees. The distance from the
ledge 6 on the inner surface to the top of theupper section 8 corresponds approximately to the height of thewindow frame 20, as may also be seen fromFig. 4 . The window frame height is typically approximately 10 cm for standard type roof windows, but vary depending on the type, design and overall size of the window. - When using an
insulating frame 1, which overlaps almost the entire height of thewindow frame 20, the apex of the triangle will be located just below thecover member 21 covering the upper surface of the window frame. However, a distance corresponding to e.g. three quarters of the window frame height may be adequate to provide a satisfactory insulation and such a reduction may ease the mounting of the flashingmembers 22 and covermembers 21. -
Fig. 3 shows the bottom frame piece 4 in detail. This frame piece has anupper section 8 with the general shape of an isosceles triangle, but where the hypotenuse is replaced by a curved surface. This shape corresponds closely to the room available underneath a traditionallower flashing 23 as used with standardtype roof window 19 as may be seen fromFig. 5 . By choosing this shape the need for adaptation of the well-tried system of flashingmember 23,cover member 24 andskirt member 25 for ensuring a watertight transition between the lowermost part of the window and the roofing below it, is avoided. If, however, such considerations are less important than the improvement of the insulation of the window, a more voluminous upper section may be used at the bottom frame piece as well. - As may also be seen from
Fig. 5 , the shape of the lower section of the top insulatingframe piece 3 may vary from the one shown inFig. 1 . Thereby the insulating properties may be improved and the insulating frame may be adapted to correspond to the shape of the side cashing 29. Such an adaptation has no influence on the design of the upper section of the insulating frame piece an thus does not necessitate an adaptation of the flashingmember 30 andcover member 31 used at the top of thewindow 19. - The insulating frame shown in
Fig. 1-3 is intended for use with a centre-hung window. It is to be understood, that some factors may need adaptation if the frame is to be used with other types of windows. For example the height of some of the insulating frame pieces may be relatively smaller, such that only a smaller part of the window frame is covered, or the triangular cross section may be modified to comprise a curved outer surface. This may e.g. be the case with the top frame piece, when the insulating frame is used for mounting a top-hung window. Likewise, an insulating frame for mounting of a centre-hung window may be provided with depressions (not shown) in the side frame pieces 2a,2b below the hinge axis to thereby give room for the side cover members during opening of the window. This may e.g. be achieved by providing two side frame pieces at each side, one above and one below the hinge axis. - In
Figs. 1 and 2 the outer surface 9 of theupper section 8 of the side frame piece are shown to have projectingbuds 10 arranged in a continuous pattern. The purpose thereof is to create an air gap between the surface of the insulatingframe 1 and anunderroof collar 26, which, as shown inFig. 6 , is attached to the insulating frame to provide a watertight transition to the underroof. Theair gap 27 ensures a ventilation of the space between the underroof and the insulating frame, which reduces condensation. InFig. 6 arrows indicate the airflow. - The buds may be replaced by any other surface profile, which will ensure the ventilation, e.g. a series of recesses or grooves extending perpendicularly to the length of the frame piece.
- Advantageously, all of the frame pieces are provided with such ventilation aids 10, but the aids may be different on the different frame pieces and may be distributed unevenly over the surface thereof. It is, however, to be understood that the ventilation aids may be completely omitted if using an underroof or underroof collar of a material, which allows diffusion of vapour towards the outside.
- In
fig. 6 the attachment of theunderroof collar 26 to the insulatingframe 1 is achieved by means ofclamps 28 but any suitable attachment means may be used as long as the air gap is ensured. In addition, the underroof collar may be attached to the window frame 20 (not shown inFig. 6 ) above the insulating frame. - If the underroof is itself made from a relatively flexible sheet material, it may be attached directly to the insulating frame in a manner corresponding the one shown in
Fig. 6 or to thewindow frame 20 without the need for anunderroof collar 26. - Finally it is noted, that the person skilled in the art will be able to realise a number of different ways, in which the shapes of the upper and lower sections of the insulating frame pieces, the type of ledges, the use of ventilation aids etc. may be varied and combined without thereby departing from the scope defined by the claims.
Claims (20)
- An insulating frame (1) for insulating a roof window (19), said insulating frame comprising a plurality of monolithic insulating frame pieces (2a,2b,3,4) forming a single frame unit, which surrounds an opening (5), the shape of which corresponds substantially to the shape of the roof window (19) and the dimensions of which is larger than or corresponding to the outer dimensions of the roof window, each insulating frame piece having an inner side surface facing the opening, a bottom surface and at least one outer side surface facing away from the opening, where at least one of the insulating frame pieces comprises a lower section (7) and an upper section (8), where the upper section has a first side facing the opening and a second side (9) facing away from the opening, a bottom portion of the upper section having a predetermined maximum width, the width between the first side and the second side decreasing from said maximum width in the height direction of the upper section, the lower section (7) has a ledge (6) situated on the inner side surface, said ledge (6) being intended to be located under the roof window in the mounted state, characterised in that the first side of the upper section (8) has such a height between the of the upper section and the ledge that the upper section of said at least one insulating frame piece will overlap at least three quarters of the height of the corresponding window frame piece (20) of the roof window in the mounted state, and that the second side of the upper section (8) of said at least one insulating frame piece (2a, 2b, 3, 4) forms a predetermined angle other than perpendicular with the bottom portion so that the upper section is substantially wedge shaped with an apex angle of 20-45 degrees.
- An insulating frame according to claim 1, characterized in that it consists of four frame pieces (2a,2b,3,4) corresponding to the four sides of a rectangular roof window (19).
- An insulating frame according to claim 2, characterized in that the two side frame pieces (2a,2b) being located at the sides of the window (19) in the mounted state have upper sections (8) with substantially identical cross sections and that the top frame piece (3) being located uppermost and/or the bottom frame piece (4) being located lowermost in the mounted state have upper sections (8) with cross sections that differ from that of the side frame pieces.
- An insulating frame according to claim 3, characterized in that the top and/or bottom frame piece (3,4) have no upper section (8).
- An insulating frame according to claim 1 or 2, characterized in that the width of the lower section (7) of one or more frame pieces (2a,2b,3,4) decreases continuously or stepwise in the height direction towards the upper section (8).
- An insulating frame according to any of claims 1-5, characterized in that it is made from moulded or extruded foam plastic, such as polyurethane foam, or any other suitable material.
- An insulating frame according to any of claims 1-6, characterized in that the insulating frame pieces (2a,2b,3,4) are provided with one or more stiffening members such as lists or strips.
- An insulating frame according to claim 7, characterized in that the stiffening member may be used for supporting and attachment of mounting brackets for the roof window (19).
- An insulating frame according to any of claims 1-8, characterized in that the second side (9) of one or more of the insulating frame pieces (2a,2b,3,4) are provided with projections (10) and/or recesses allowing air passage between and/or through them in a direction perpendicular to the length of the insulating frame piece.
- A kit for mounting and insulation of a roof window (19), said kit comprising an insulating frame (1) according to claim 1, an underroof collar (26), at least one flashing member (22,23,30) and at least one cover member (21,24,31), where the opening (5) in said insulating frame is larger than or corresponding to the external dimensions of the roof window to be mounted, so that the window may be placed within the opening, where the second side (9) of the monolithic at least one insulating frame piece (2a,2b,3,4) faces said at least one flashing and/or said at least one cover member (21,22,23,24,30,31) when mounted, characterized in that the first side of the upper section (8) of the at least one insulating frame piece (2a, 2b, 3, 4) has such a height between the top of the upper section and the ledge (6) that at least three quarters of the distance existing between a lowermost level of the flashing member and an uppermost level of the cover member in the mounted state is overlapped by the upper section of the at least one insulating frame piece,
that the underroof collar (26) may be brought into contact with the insulating frame at or above the bottom portion of the upper section of the insulating frame, and
that one or more of the flashing and/or one or more cover members (21,22,23,24,30,31) are shaped with angles corresponding to the angle determined by the decreasing width of the at least one insulating frame piece. - A kit according to claim 10, characterized in that the flashing and cover members (21,22,23,24,30,31) used in connection with the upper section (8) have interior bending angles approximately 90 degrees larger than the apex angle of the upper section.
- A kit according to claim 10 or 11, characterized in that the second side of one or more of the insulating frame pieces are provided with projections and/or recesses allowing ventilation of the space between the insulating frame piece (2a, 2b, 3, 4) and the underroof collar (26).
- A kit according to any of the claims 10-12, characterized in that the underroof collar (26) is attached to the insulating frame (1) by any suitable means such as welding, gluing, mechanical fastening means, such as clamps, or friction between the material of the underroof collar and the insulating frame.
- A roof structure with a roof window (19) and an insulating frame (1) according to claim 1, said roof window (19) being mounted in said insulating frame (1),
said roof structure including a roofing, a supporting structure and an underroof at least one (26) comprising at least an external waterproof membrane and an insulating layer, said underroof being located between the roofing and the supporting structure and comprising an opening for mounting of the window,
said insulating frame comprising a lower surface resting against the upper surface of the underroof and with an opening (5), which corresponds to the opening in the underroof and which is larger than or corresponding to the external dimensions of the roof window, so that the window may be placed within the opening, where at least one of the frame pieces has an upper section with a first side facing a corresponding window frame piece and a second side (9) facing a flashing and/or cover member, characterized in that at least a part of the lower section (7) is located under the roof window and that the first side of the upper section (8) of said at least one insulating frame piece (2a,2b,3,4) has such a height that at least three quarters of the height between the top of the upper section and the ledge (6) of the window frame is overlapped by the upper section of the insulating frame. - A roof window (19) with an insulating frame (1) according to claim 1, where the opening (5) in the insulating frame has a shape, which corresponds substantially to the shape of the roof window, and dimensions, which are larger than or corresponding to the outer dimensions of the roof window, characterized in that at least a part of the lower section (7) is located under the roof window and that the first side of the upper section (8) of the at least one insulating frame piece (2a, 2b, 3, 4) has such a height between the top of the upper section and the ledge (6) that the at least one insulating frame piece overlaps at least three quarters of the height of the window frame piece (20).
- A roof window (19) according to claim 15, further having an underroof collar (26), which is attached to the insulating frame at or above the bottom portion of the upper section of the insulating frame.
- A method of insulating a roof window (19), where the roof window is arranged in an opening (5) in an insulating frame (1) comprising a plurality of monolithic insulating frame pieces (2a,2b,3,4) forming a single frame unit, which surrounds the opening (5), the shape of which corresponds substantially to the shape of the roof window and the dimensions of which is larger than or corresponding to the outer dimensions of the roof window, each insulating frame piece having an inner side surface facing the opening, a bottom surface and at least one outer side surface facing away from the opening, where at least one of the insulating frame pieces comprises a lower section (7) and an upper section (8), where the upper section has a first side facing the opening and a second side (9) facing away from the opening, a bottom portion of the upper section having a predetermined maximum width, the width between the first side and the second side decreasing from said maximum width in the height direction of the upper section, characterised in that the second side forms a predetermined angle other than perpendicular with the bottom portion so that the upper section is substantially wedge shaped with an apex angle of 20-45 degrees, the window is arranged in the insulating frame so that the upper section (8) of the at least one insulating frame piece overlaps at least three quarters of the height of the corresponding window frame piece (20) of the roof window (19) and so that a ledge (6) on the surface of the lower section (7) facing the opening is located under the roof window.
- A method according to claim 17, where an underroof collar (26) is attached to the insulating frame.
- A method according to claim 17 or 18, where the insulating frame is attached to the roof window by gluing.
- A method according to claim 17 or 18, where the insulating frame is expanded to allow mounting and where a close fit between the insulation frame and the roof window is achieved by a subsequent contraction of the insulating frame.
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT10178882T ATE542964T1 (en) | 2005-06-30 | 2005-06-30 | INSULATING FRAME FOR A ROOF WINDOW |
DK10178882.6T DK2273029T3 (en) | 2005-06-30 | 2005-06-30 | INSULATING FRAMES FOR A ROOF WINDOW |
DK05388055.5T DK1739247T3 (en) | 2005-06-30 | 2005-06-30 | Insulation frame for a skylight |
PL10178882T PL2273029T3 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
PL05388055T PL1739247T3 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
DE602005026791T DE602005026791D1 (en) | 2005-06-30 | 2005-06-30 | Insulating frame for a skylight |
EP10178876.8A EP2273028B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
AT05388055T ATE501319T1 (en) | 2005-06-30 | 2005-06-30 | INSULATION FRAME FOR A ROOF WINDOW |
PL10178876T PL2273028T3 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
EP10178882A EP2273029B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
EP05388055A EP1739247B9 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
CNB2006100903494A CN100572716C (en) | 2005-06-30 | 2006-06-29 | Be used for insulating frame, the kit utility in skylight and have the roof structure in this skylight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05388055A EP1739247B9 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10178876.8A Division EP2273028B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
EP10178876.8 Division-Into | 2010-09-23 | ||
EP10178882.6 Division-Into | 2010-09-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1739247A1 EP1739247A1 (en) | 2007-01-03 |
EP1739247B1 true EP1739247B1 (en) | 2011-03-09 |
EP1739247B9 EP1739247B9 (en) | 2011-06-22 |
Family
ID=35406309
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10178882A Not-in-force EP2273029B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
EP10178876.8A Not-in-force EP2273028B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
EP05388055A Not-in-force EP1739247B9 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10178882A Not-in-force EP2273029B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
EP10178876.8A Not-in-force EP2273028B1 (en) | 2005-06-30 | 2005-06-30 | An insulating frame for a roof window |
Country Status (6)
Country | Link |
---|---|
EP (3) | EP2273029B1 (en) |
CN (1) | CN100572716C (en) |
AT (2) | ATE542964T1 (en) |
DE (1) | DE602005026791D1 (en) |
DK (2) | DK1739247T3 (en) |
PL (3) | PL2273029T3 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8020350B2 (en) * | 2008-07-21 | 2011-09-20 | Vkr Holding A/S | Seamless deck-sealing surround for skylights and roof windows |
DE102008055744B4 (en) * | 2008-11-04 | 2010-07-29 | Roto Frank Ag | Roof windows, in particular roof windows |
EP2192248B1 (en) * | 2008-11-26 | 2015-07-15 | VKR Holding A/S | Roof component flashing, a flashing system and a method of flashing |
PL2466032T3 (en) * | 2010-12-17 | 2018-02-28 | Vkr Holding A/S | An insulating member comprising two elements of different material and a method for insulating a window in an inclined roof structure with this insulating member |
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 |
GB201403802D0 (en) * | 2014-03-04 | 2014-04-16 | Keylite Roof Windows Ltd | An insulation member |
DE102014007702A1 (en) * | 2014-05-22 | 2015-11-26 | Roto Frank Ag | Deck arrangement for a rooftop and roof with built-in roof windows and a Eindeckanordnung |
DK179827B1 (en) * | 2015-08-04 | 2019-07-17 | Vkr Holding A/S | An insulating member, a roof window and a method for insulating a roof window |
CZ2016823A3 (en) * | 2016-12-22 | 2018-09-26 | České vysoké učenàtechnické v Praze | A profile for the production of exterior frames and frames of roof window casements, and the use of this profile |
DK180969B1 (en) | 2018-06-05 | 2022-08-23 | Vkr Holding As | Installation unit for facilitating the installation of a window frame, a sealing collar, and a method for installing a window frame in an opening in a roof structure |
DK180629B1 (en) * | 2019-01-18 | 2021-11-04 | Vkr Holding As | Insulating frame and method for making an insulating frame |
EP3779085B1 (en) * | 2020-02-03 | 2024-01-24 | VKR Holding A/S | A skylight window |
EP3859093A1 (en) * | 2020-02-03 | 2021-08-04 | VKR Holding A/S | An adapter frame for installing a skylight window, a system comprising a sky-light window and a method of installing a skylight window using an adapter frame |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9406932U1 (en) | 1994-04-26 | 1994-06-16 | Roto Frank Ag, 70771 Leinfelden-Echterdingen | Feed box |
DE19518853A1 (en) * | 1995-05-23 | 1996-11-28 | Puren Schaumstoff Gmbh | Insulating part for roof window frames |
ATE222982T1 (en) | 1997-01-14 | 2002-09-15 | Vkr Holding As | INSULATION AND INSTALLATION FRAME FOR A SKYLIGHT AND METHOD FOR INSTALLING A SKYLIGHT WITH SUCH FRAME |
DK199900873A (en) | 1999-06-18 | 2001-04-02 | Vkr Holding As | Insulation frame for a skylight |
EP1550777B1 (en) * | 2003-12-30 | 2006-08-23 | VKR Holding A/S | Window |
-
2005
- 2005-06-30 DE DE602005026791T patent/DE602005026791D1/en active Active
- 2005-06-30 EP EP10178882A patent/EP2273029B1/en not_active Not-in-force
- 2005-06-30 PL PL10178882T patent/PL2273029T3/en unknown
- 2005-06-30 PL PL10178876T patent/PL2273028T3/en unknown
- 2005-06-30 AT AT10178882T patent/ATE542964T1/en active
- 2005-06-30 DK DK05388055.5T patent/DK1739247T3/en active
- 2005-06-30 AT AT05388055T patent/ATE501319T1/en not_active IP Right Cessation
- 2005-06-30 DK DK10178882.6T patent/DK2273029T3/en active
- 2005-06-30 EP EP10178876.8A patent/EP2273028B1/en not_active Not-in-force
- 2005-06-30 EP EP05388055A patent/EP1739247B9/en not_active Not-in-force
- 2005-06-30 PL PL05388055T patent/PL1739247T3/en unknown
-
2006
- 2006-06-29 CN CNB2006100903494A patent/CN100572716C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
PL2273029T3 (en) | 2012-07-31 |
CN1891949A (en) | 2007-01-10 |
EP2273029B1 (en) | 2012-01-25 |
DK2273029T3 (en) | 2012-04-23 |
DE602005026791D1 (en) | 2011-04-21 |
PL2273028T3 (en) | 2016-04-29 |
DK1739247T3 (en) | 2011-06-27 |
EP1739247B9 (en) | 2011-06-22 |
EP1739247A1 (en) | 2007-01-03 |
CN100572716C (en) | 2009-12-23 |
ATE501319T1 (en) | 2011-03-15 |
PL1739247T3 (en) | 2011-08-31 |
EP2273029A1 (en) | 2011-01-12 |
ATE542964T1 (en) | 2012-02-15 |
EP2273028A1 (en) | 2011-01-12 |
EP2273028B1 (en) | 2015-10-14 |
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