EP2284329A2 - Ein eine dachdurchdringende Konstruktion mit der Unterdachstruktur verbindender Kragen - Google Patents

Ein eine dachdurchdringende Konstruktion mit der Unterdachstruktur verbindender Kragen Download PDF

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Publication number
EP2284329A2
EP2284329A2 EP10171486A EP10171486A EP2284329A2 EP 2284329 A2 EP2284329 A2 EP 2284329A2 EP 10171486 A EP10171486 A EP 10171486A EP 10171486 A EP10171486 A EP 10171486A EP 2284329 A2 EP2284329 A2 EP 2284329A2
Authority
EP
European Patent Office
Prior art keywords
collar
roof
strip
battens
elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10171486A
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English (en)
French (fr)
Other versions
EP2284329A3 (de
Inventor
Ryszard Florek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fakro PP Sp zoo
Original Assignee
Fakro PP Sp zoo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fakro PP Sp zoo filed Critical Fakro PP Sp zoo
Publication of EP2284329A2 publication Critical patent/EP2284329A2/de
Publication of EP2284329A3 publication Critical patent/EP2284329A3/de
Withdrawn legal-status Critical Current

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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
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
    • E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
    • E04D13/1475—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally rectangular cross-section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0305—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 invention relates to a collar connecting any construction structure penetrating the roof to the sub-roofing structure, for instance a roof window frame or a chimney, with an outer membrane insulating deeper layers of the sub-roofing structure from the elements.
  • a solution of sealing roof windows with a shield comprising a water-tight covering encompassing the aperture, where the shield walls in the area of the aperture are stretched perpendicularly, and the outer walls are in parallel to the roof slope is known from DE 3 442 276 A1 .
  • a drawback of this solution is most of all lack of possibility to bend and pack the shield for transport purposes. In addition, it does not ensure a tight contact of the shield with the irregular surface of the roof structure.
  • a building element is known from PCT/DK95/00157 ( WO 95/28537 ), which in one of its embodiments consists of a uniform collar or rim element and is fitted with foil sections basically parallel to the roof covering.
  • the purpose and function of these sections appears to be, by placing them adjacent to the covering insulating foil, the sealing of connection of the roof covering to the structure penetrating the roof.
  • This solution may be effective in many cases. However, it requires basically continuous and rather flat contact surface.
  • a typical design of this part of the roof covering, with a foil and battens at the outer side, does not meet this requirement without additional work consisting in partial dismantling or at least loosening of battens fastening in the part of covering intended for the said building element. Failure to perform these operations leads to the formation of areas of insulation discontinuity near the battens, thus increasing the risk of moisture entry into the inner roofing and at the same time enables an uncontrolled flow of air and heat losses.
  • a collar for hermetic connection of building structures, penetrating the roof, with an outer membrane protecting against the elements and with battens seated on the membrane is known from application P-338 074 ( WO 9902799 ).
  • the collar consists of four components connected to each other, which have edges - the inner one, secured to the outer surface of a component of the building structure penetrating the roof - and the outer one, encompassing the battens and resting against the membrane between the battens.
  • the collar elements are made of segments of a flexible and water-proof material, in addition the elements to be set cross-wise to the battens are longer than the construction structure elements to which they are going to be connected, and are bent, for instant into folds, in order to adjust the length of the collar inner edge to the length of the perimeter of the construction structure for which the collar is intended. After mounting the collar inner edge along the outer perimeter of the construction structure, the folds at the outer edge side will unfold so that they encompass the battens located over the outer membrane and adjoin the membrane between the battens.
  • the folded side elements of the collar are factory protected against unfolding or parting by backing with two paper strips, in addition one strip is glued along the inner edge of the collar element and thus it stabilises the length of the collar inner edge, while the other paper strip is glued at a some distance from the outer edge and protects folds against parting during transport and assembly of the collar.
  • the other strip After connecting the collar inner edge to the construction structure, the other strip should be torn apart, so that the folds at the collar outer perimeter side could unfold freely.
  • the collar inner edge, protected with the glued-on paper strip is not durable enough. A damage to the strip during transport or assembly, and unfolding of folds makes the collar unsuitable and requires it to be manually refolded during connecting it to the construction structure seated in the roof.
  • the purpose of the invention is to implement a collar for sealing the connection of the construction structure penetrating the roof to the sub-roofing structure, easy to assembly and effectively performing its function, having a shape of a frame surrounding the structure mounted in the roof, consisting of elements, advantageously permanently connected to each other into a closed circuit, with the internal edge enabling the collar to be connected to the outer perimeter of the construction structure.
  • the essence of the invention is that the collar elements arranged angularly against the battens, which most often are side elements, consist of a few, at least two strips connected in parallel and hermetically, in addition every one of them, apart from insulating the inner roof covering from the weather, performs an additional, separate function.
  • the outer strip constitutes a rectangular element of easily stretched, water-tight and one-sided adhesive material, permanently connected to the assembly of elements with the length equal to the total length of the collar.
  • the material has a composite structure which enable the strip to be stretched, permanently or not, only to a limited extent.
  • the strip width is selected so as to ensure its free shaping and tight securing to the ridge beam and the insulating membrane surface.
  • the main functional purpose of the outer strip is, by plastic deformation and stretching, its accurate and hermetic contact to the uneven surface which is formed e.g. by the battens and the insulating membrane, which is most often mounted directly under the battens.
  • This solution ensures basically a better tightness in relation to the known solutions, and increases thermal insulation in the crucial area of connection of the structure mounted in the roof to the roof covering.
  • manufacturing of the collar is simple and for instance does not require an expensive folding device to be used.
  • the inner strip apart from any flexible, waterproof material has an additional layer secured to its inner side, going along its whole length, performing the thermal insulation function.
  • the thermal insulation material may be any, advantageously porous, flexible and easily compressible structure with good thermal insulation properties.
  • the width of this additional layer may be adjusted subject to the needs, however it should be selected so that it encompasses most of the collar and should have at least the same width on the surface adjoining the roof. It is a particularly advantageous solution, improving the thermal resistance in the crucial area of connection of the roof slope to the structure penetrating the roof.
  • the collar elements arranged in parallel to the roof battens usually constitute flat strips of various widths, with additional layer performing the thermal insulation function, as for the cross-wise strips, secured to their inner side, going along their entire length.
  • the strips are limited lengthwise with parallel flanks, with various lengths but with a common axis of symmetry.
  • the shorter flanks consist of three segments, in addition the extreme segments are perpendicular to the lengthwise flanks and connected with an oblique segment.
  • the segments forming a straight angle with the shorter lengthwise flank form the collar part adjoining the building structure penetrating the roof.
  • fig.1 shows collar elements before they are connected into a closed circuit
  • fig. 2 shows the collar seated on the roof window frame and adjoining the sub-roofing structure
  • fig. 3 presents the shape of the collar itself assumed after seating on the window frame
  • fig. 4 shows the cross-section through the collar ready to be assembled, where the location of additional thermal insulation is shown.
  • the top element 5 and the bottom element 7 parallel to battens 3 constitute flat strips with various widths, limited lengthwise with parallel flanks d and e , with various lengths but with a common axis of symmetry, while the shorter flanks consist of three segments, respectively a, b and c in element 5 and a, b and c' in element 7, in addition the extreme segments a and c and c ' are perpendicular to lengthwise flanks d and e and are connected with the oblique segment b .
  • the segment a defines the height of the collar, adjoining the outer contour of the structure seated in the roof, and the segment c is longer than the segment c '.
  • the side elements 6 of the roof 1, arranged perpendicularly to the battens 3, have the shape of an even-armed trapezoid.
  • the shorter sides of elements 6 consist of segments a and b, identical to the segments a and b of elements 4 and 5.
  • the side elements 6 have at their outer side a strip 8 made of a material with easily stretchable and at the same time water-tight structure.
  • the elements 5, 6, 7 are permanently connected to each other along the segments a and b into a closed circuit.
  • the angle between the oblique sides b and the sides d or e of the element 6 is known and depends on the corresponding angle in the elements 5 and 7 arranged in parallel to the battens 3 and is usually 45°.
  • the insulation material may be any, advantageously porous, flexible and easily compressible structure with good thermal insulation properties.
  • the following materials can be used: polyurethane foam PURS, impregnated with suspended acrylic, PE polyethylene foam, flexible PU polyurethane foam, PVC foam and also cellular rubber EPDM.
  • This layer is rectangle shaped, in addition its longer side is common with the sides respectively d and d ' of elements 6, and 5 and 7 respectively.
  • the shorter sides of the insulation layer 9 are limited advantageously by the segments a.
  • the width of the layer 9 is so selected that it covers the whole part of collar intended for flanging with the length equal to the length of the segment a , and at least the same width on the surface adjacent to the roof.
  • the flanging of the collar is enabled by a specific angular shape of the seam, consisting of segments a, b and c, connecting reciprocally cross-wise strips. To this end it is advantageous to shape the strips connected beforehand so that after their connection one element without any redundant material allowance is formed.
  • the outer strip 8 as a rectangular element of easily stretched, water-tight and one-sided adhesive material, is permanently connected to the assembly of elements 5, 6 and 7 with the length equal to the total length of the collar 1.
  • the outer strips 8 are arranged perpendicularly to the longitudinal direction of battens 3, symmetrically at the both sides of the collar 1. With respect to the shape of collar 1 they are arranged in parallel to the longer side of the side element 6. In the condition ready for assembly, fig. 2 and 3 , all collar elements 5, 6, 7, 8 are tightly connected to each other.
  • the strip 8 width is selected so as to ensure its free shaping and tight securing to the ridge beam 3 and the insulating membrane 4 surface and is at least 200% of the ridge beam height.
  • the strip 8 has at its inner side advantageously an adhesive layer protected for storage and transport, while at its outer side it has a layer of advantageously partially extendible foil or other material ensuring the tear resistance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP10171486A 2009-07-31 2010-07-30 Ein eine dachdurchdringende Konstruktion mit der Unterdachstruktur verbindender Kragen Withdrawn EP2284329A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL388685A PL234404B1 (pl) 2009-07-31 2009-07-31 Kołnierz uszczelniający łączący konstrukcję budowlaną przenikającą przez dach ze strukturą podpokryciową dachu

Publications (2)

Publication Number Publication Date
EP2284329A2 true EP2284329A2 (de) 2011-02-16
EP2284329A3 EP2284329A3 (de) 2013-03-27

Family

ID=42942046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10171486A Withdrawn EP2284329A3 (de) 2009-07-31 2010-07-30 Ein eine dachdurchdringende Konstruktion mit der Unterdachstruktur verbindender Kragen

Country Status (2)

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EP (1) EP2284329A3 (de)
PL (1) PL234404B1 (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102433966A (zh) * 2011-08-26 2012-05-02 苏州多凯复合材料有限公司 压型板屋面开洞的防水结构
EP2952646A1 (de) * 2012-06-19 2015-12-09 VKR Holding A/S Unterdachkragen für ein dachfenster und verfahren zur montage eines dachfensters
EP3330452A1 (de) * 2016-12-05 2018-06-06 VKR Holding A/S Dichtkragen zur montage um einen fensterrahmen, der in einem geneigten dach eines gebäudes montiert ist, und verfahren zur montage eines fensterrahmens
EP3404164A1 (de) * 2017-05-16 2018-11-21 VKR Holding A/S Dichtmanschette
EP3404161A1 (de) * 2017-05-16 2018-11-21 VKR Holding A/S Abdeckblechanordnung und verfahren zum witterungsschutz eines in einer schrägen dachfläche montierten dachfensters
EP3575509A1 (de) * 2018-05-30 2019-12-04 VKR Holding A/S Verfahren zur bereitstellung einer montagehilfe, montagehilfe, die zur verwendung bei der montage eines fensterrahmens in einer dachkonstruktion eines gebäudes angepasst ist, und kit mit einer montagehilfe
EP3578727A1 (de) * 2018-06-04 2019-12-11 VKR Holding A/S Installationshilfe zur verwendung bei der montage eines fensterrahmens in einer dachstruktur eines gebäudes, dichtungsmuffe und verfahren zur montage eines fensterrahmens
EP3885508A1 (de) 2020-03-23 2021-09-29 VKR Holding A/S Verfahren zum anordnen eines unterdachkragens in installationsfertigem zustand, verpackter unterdachkragen und verfahren zur installation eines unterdachkragens
EP4023836A1 (de) 2021-01-04 2022-07-06 VKR Holding A/S Verfahren zum verpacken eines unterdachkragens, verpackter unterdachkragen und faltwerkzeug zum falten eines unterdachkragens
DE202023102423U1 (de) 2023-03-24 2023-09-18 Vkr Holding A/S Faltwerkzeug zum Falten einer Unterdachmanschette, verpackte Unterdachmanschette und Verwendung eines Faltwerkzeugs zum Falten einer Unterdachmanschette
WO2023186252A1 (en) 2022-03-31 2023-10-05 Vkr Holding A/S An underroof collar, a kit including an underroof collar and a roof window, a mounted roof window, and a method for sealing the joint between a roof window and a roof structure
EP4417763A1 (de) 2023-02-17 2024-08-21 VKR Holding A/S Satz von unterdachkragen und verfahren zum abdichten einer verbindung zwischen einer gruppe von dachfenstern, die in einer dachstruktur montiert sind, und einem unterdach
EP4417762A1 (de) 2023-02-17 2024-08-21 VKR Holding A/S Wetterfeste anordnung zur verwendung mit einer gruppe von dachfenstern mit mindestens zwei dachfenstern und verfahren zur wetterfesten verbindung einer gruppe von dachfenstern

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554341B1 (de) 1975-12-03 1977-06-08 Braas & Co Gmbh Vorrichtung zum abdichten der fuge zwischen einem dachfenster und den angrenzenden dacheindeckungsplatten
DE3442276A1 (de) 1983-12-09 1985-06-13 Peter W. 7290 Freudenstadt Barth Unterverwahrung fuer dachfenster
WO1995028537A1 (en) 1994-04-15 1995-10-26 Polysheet A/S A building element and a method of mounting a building element
WO1999002799A1 (en) 1997-07-08 1999-01-21 Velux Industri A/S An attachment collar between a roof-penetrating building structure and an underroof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972638A (en) * 1989-04-21 1990-11-27 Rolscreen Company Skylight flashing
DE9413970U1 (de) * 1994-08-29 1996-01-04 Klöber, Johannes, 58256 Ennepetal Abdichtungs-Vorrichtung
DE29908614U1 (de) * 1999-05-06 1999-09-30 Ewald Dörken AG, 58313 Herdecke Materialstreifen zum Anschließen eines flachen, ersten Dach-Bauelementes an einem zweiten Dach-Bauelement
DE10057774A1 (de) * 2000-11-22 2002-10-10 Kloeber Johannes Anschlusschürze
DE202008014501U1 (de) * 2008-10-31 2009-02-19 Eisenhauer, Michael Winkel-Eckmanschetten-Set, zur Außen- und Innen-Abdichtung für Schächte, Kanäle und Kamine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554341B1 (de) 1975-12-03 1977-06-08 Braas & Co Gmbh Vorrichtung zum abdichten der fuge zwischen einem dachfenster und den angrenzenden dacheindeckungsplatten
DE3442276A1 (de) 1983-12-09 1985-06-13 Peter W. 7290 Freudenstadt Barth Unterverwahrung fuer dachfenster
WO1995028537A1 (en) 1994-04-15 1995-10-26 Polysheet A/S A building element and a method of mounting a building element
WO1999002799A1 (en) 1997-07-08 1999-01-21 Velux Industri A/S An attachment collar between a roof-penetrating building structure and an underroof

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102433966B (zh) * 2011-08-26 2013-07-24 苏州多凯复合材料有限公司 压型板屋面开洞的防水结构
CN102433966A (zh) * 2011-08-26 2012-05-02 苏州多凯复合材料有限公司 压型板屋面开洞的防水结构
EP2952646A1 (de) * 2012-06-19 2015-12-09 VKR Holding A/S Unterdachkragen für ein dachfenster und verfahren zur montage eines dachfensters
EP3330452A1 (de) * 2016-12-05 2018-06-06 VKR Holding A/S Dichtkragen zur montage um einen fensterrahmen, der in einem geneigten dach eines gebäudes montiert ist, und verfahren zur montage eines fensterrahmens
DK201670961A1 (en) * 2016-12-05 2018-06-14 Vkr Holding As A sealing collar for being mounted around a window frame mounted in an inclined roof of a building, and a method for mounting a window frame
EP3725971A1 (de) 2017-05-16 2020-10-21 VKR Holding A/S Unterdachmanschette zur verwendung für die wasserdichte verbindung zwischen einer dachstruktur und einem fensterrahmen, verpackte unterdachmanschette und verfahren zur bereitstellung einer unterdachmanschette
EP3404164A1 (de) * 2017-05-16 2018-11-21 VKR Holding A/S Dichtmanschette
EP3404161A1 (de) * 2017-05-16 2018-11-21 VKR Holding A/S Abdeckblechanordnung und verfahren zum witterungsschutz eines in einer schrägen dachfläche montierten dachfensters
WO2018210937A1 (en) 2017-05-16 2018-11-22 Vkr Holding A/S An underroof collar for use in water-proofing the joint between a roof structure and a window frame, a packed underroof collar, and a method of providing an underroof collar
US10934717B2 (en) 2017-05-16 2021-03-02 Vkr Holding A/S Underroof collar for use in water-proofing the joint between a roof structure and a window frame, a packed underroof collar, and a method of providing an underroof collar
EP3575509A1 (de) * 2018-05-30 2019-12-04 VKR Holding A/S Verfahren zur bereitstellung einer montagehilfe, montagehilfe, die zur verwendung bei der montage eines fensterrahmens in einer dachkonstruktion eines gebäudes angepasst ist, und kit mit einer montagehilfe
EP3578727A1 (de) * 2018-06-04 2019-12-11 VKR Holding A/S Installationshilfe zur verwendung bei der montage eines fensterrahmens in einer dachstruktur eines gebäudes, dichtungsmuffe und verfahren zur montage eines fensterrahmens
EP3885508A1 (de) 2020-03-23 2021-09-29 VKR Holding A/S Verfahren zum anordnen eines unterdachkragens in installationsfertigem zustand, verpackter unterdachkragen und verfahren zur installation eines unterdachkragens
EP4023836A1 (de) 2021-01-04 2022-07-06 VKR Holding A/S Verfahren zum verpacken eines unterdachkragens, verpackter unterdachkragen und faltwerkzeug zum falten eines unterdachkragens
WO2023186252A1 (en) 2022-03-31 2023-10-05 Vkr Holding A/S An underroof collar, a kit including an underroof collar and a roof window, a mounted roof window, and a method for sealing the joint between a roof window and a roof structure
EP4417763A1 (de) 2023-02-17 2024-08-21 VKR Holding A/S Satz von unterdachkragen und verfahren zum abdichten einer verbindung zwischen einer gruppe von dachfenstern, die in einer dachstruktur montiert sind, und einem unterdach
EP4417762A1 (de) 2023-02-17 2024-08-21 VKR Holding A/S Wetterfeste anordnung zur verwendung mit einer gruppe von dachfenstern mit mindestens zwei dachfenstern und verfahren zur wetterfesten verbindung einer gruppe von dachfenstern
DE202023102423U1 (de) 2023-03-24 2023-09-18 Vkr Holding A/S Faltwerkzeug zum Falten einer Unterdachmanschette, verpackte Unterdachmanschette und Verwendung eines Faltwerkzeugs zum Falten einer Unterdachmanschette

Also Published As

Publication number Publication date
PL388685A1 (pl) 2011-02-14
PL234404B1 (pl) 2020-02-28
EP2284329A3 (de) 2013-03-27

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