EP0442805A1 - Wasserdichte Deckung auf einem Gerüst befestigt - Google Patents

Wasserdichte Deckung auf einem Gerüst befestigt Download PDF

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Publication number
EP0442805A1
EP0442805A1 EP91400350A EP91400350A EP0442805A1 EP 0442805 A1 EP0442805 A1 EP 0442805A1 EP 91400350 A EP91400350 A EP 91400350A EP 91400350 A EP91400350 A EP 91400350A EP 0442805 A1 EP0442805 A1 EP 0442805A1
Authority
EP
European Patent Office
Prior art keywords
cover according
layer
frame
screw
insulating material
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.)
Granted
Application number
EP91400350A
Other languages
English (en)
French (fr)
Other versions
EP0442805B1 (de
Inventor
Francis Ovaert
Henri Desgouilles
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.)
Axter SA
Original Assignee
Axter SA
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 Axter SA filed Critical Axter SA
Priority to AT91400350T priority Critical patent/ATE98319T1/de
Publication of EP0442805A1 publication Critical patent/EP0442805A1/de
Application granted granted Critical
Publication of EP0442805B1 publication Critical patent/EP0442805B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/145—Discrete fastening means, e.g. discs or clips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3603—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer the fastening means being screws or nails
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/141—Fastening means therefor characterised by the location of the fastening means
    • E04D5/143—Fastening means therefor characterised by the location of the fastening means in the field of the flexible material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/147—Mechanical fastening means not perforating the flexible material

Definitions

  • the present invention relates to insulating and waterproof covers and very particularly to industrial building covers.
  • These covers fixed on a frame include thermal insulation between the load-bearing element and the waterproofing coating. This insulation is mainly achieved by plates or panels placed contiguously. The joining of these plates with the carrier element is carried out by mechanical fixing when the support is made of ribbed steel sheets.
  • a mechanical fixing consists of a screw, or a rivet or a stud, made integral with the ribbed steel sheet by drilling or welding.
  • the head of the screw, rivet, stud includes a washer of small dimensions, with a diameter of the order of 50 to 70 mm.
  • the waterproofing coating is made integral with the insulation plates by gluing or by welding using a hot source, most often by a flame or air torch, over the entire surface of the insulating panels and or right of the washers of the mechanical fixings; these can be improved for welding by a suitable surface coating or by a washer of the same material as the sealing coating, and of larger dimensions, interposed between the metal washer and the underlying insulating panel.
  • a more recent technique provides for the dry unwinding on the insulating panels of a first bed of sheets constituting the lower part of the waterproofing coating; the mechanical fixings then pass through the bed of sheets and the insulating panels.
  • a preliminary heat shield can be used on the insulation.
  • the upper part of the waterproof coating is then glued or welded to the lower part with its visible washers.
  • Another technique provides for mechanical fastenings to the right of the covering joints of the strips of the waterproofing coating.
  • the covered part is glued or welded, on the one hand on the edge of the adjacent strip and, on the other hand, on the small washers of the fixings.
  • the wind creates significant compression and depression forces, in places, on the roof (swirls, mask effect behind a wall or an emergence of the roof).
  • the forces are exerted on the exterior surface, therefore on the waterproofing coating, which ultimately stresses the load-bearing element and the structure of the building.
  • At least one sheet of the sealing coating is pierced by the mechanical fixing.
  • the rupture is located at the level of the sealing surface of the sealing coating on the washer, or by unbuttoning the fixing head through the washer, or by tearing off the fixing through the ribbed steel sheet.
  • the breaking values are relatively homogeneous, of the order of 900 to 1300 N.
  • the object of the present invention is to provide a cover the implementation of which is simpler and faster than that of conventional openings and the wind resistance of which is also improved.
  • the subject of the invention is a waterproof cover, in particular for an industrial building, comprising a support element adapted to be fixed to a structural member of the building, a layer of insulating material placed on the support element, and a sealing coating covering the layer of insulating material, connecting means being provided to keep these three constituents assembled, characterized in that the connecting means comprise a first fixing member fixing the support element to the frame and comprising above it an extension of length substantially equal to the thickness of the insulating layer, and a flexible plate and a second fixing member bearing on this flexible plate by means of an enlarged head and / or of a rigid washer and coming to be fixed on said extension, the dimension of the enlarged head or of the rigid washer being intermediate. between the maximum dimension of the first or second member in the vicinity of the external surface of the layer of insulating material, and the dimension of the flexible plate, and in that the sealing coating is fixed only on the flexible plates.
  • the sealing coating which will be fixed on the flexible plates will be made integral with the frame: moreover, the invention also makes it possible to secure the load-bearing element with the frame, so that all the efforts of depression suffered by the cover will be transferred to the structural element, purlin or beam.
  • This high performance device makes it possible to use a maximum of one fixing per m2 of coverage (or even one for 2 m2), thus dividing by more than 5, compared to the conventional techniques previously described, the total number of fastenings.
  • the aforementioned screw can be a self-tapping screw.
  • the aforementioned screw is engaged in a metal insert of the frame element.
  • a frame element consisting of a steel beam 1 constituting a breakdown of a frame: a load-bearing element 2 constituted by a ribbed steel sheet is arranged transversely on the purlins 1.
  • An insulating layer 3 constituted, for example, by plates of insulating material, is placed on the carrier element 2; the cover or roof is completed by a sealing coating 10 which is placed on the outer face of the insulating layer 3.
  • the fixing device comprises a first fixed member comprising a screw 4 which is fixed to the purlin 1 with the interposition of the support element 2, which is thus thus secured to the frame.
  • This first member serves first of all to fix the carrier element 2 to the frame failure 1; it also constitutes a constitutive element of the means of connection of the three constituents of the cover, namely the carrier element 2, the insulating layer 3 and the sealing coating 10.
  • the screw 4 is a self-tapping screw. In the case of a concrete frame, this screw engages in a metal insert of the frame element.
  • the head 5 of the screw 4 has an extension aligned with the barrel of the screw and disposed on the other side of the head 5.
  • this extension consists of a hollow cylindrical intermediate piece 6 internally threaded, open at its free end and the bottom 20 of which is fixed to the carrier element by means of the screw 4.
  • the extension consists of a threaded rod 7.
  • the length of the cylinder 6 or of the rod 7 is substantially equal to the sum of the thicknesses of the insulating layer 3 and of the carrier element.
  • a second member comprising a part constituting a rigid washer comes to join with the aforementioned first member.
  • it is a screw 8 which engages in the cylinder 6, which has a flat countersunk head and on which is engaged a rigid washer 9 of diameter a .
  • the second member is constituted by a sort of plug 11 which has a tubular part 12 internally threaded which cooperates with the rod 7 and which is surmounted by a rigid flat head 13 constituting a washer support similar to the rigid washer 9.
  • the fixing device finally comprises a flexible plate 21 which is interposed between the washer rigid 9 or the rigid flat head 13 and the insulating panels 3.
  • This plate 21 is preferably circular with diameter D and large dimensions.
  • This flexible plate is, for example, made of thin metal and may include a surface coating compatible with the material constituting the sealing coating. It is also possible to use a material comprising a woven or non-woven reinforcement, made of glass, polyester, organic material or a mixture of these components; in this case, the plate is coated with a material identical or compatible with that of the sealing coating.
  • the aforementioned plate can be made previously integral with the washer 9 or with the rigid head 13 by gluing or welding.
  • FIG. 1 comprising a first member constituted by a screw
  • the rigid washer 9 or the flat head 13 may have a diameter a of the order of 80 mm.
  • the flexible plate 21 must have a mechanical tensile strength corresponding to the relationship R t ⁇ a> 5000 N and preferably of the order of 8000 N, the mechanical tensile strength R t being expressed in Newtons per cm of width and measured according to standard NF G07-001. It must also have a tear resistance Rd (measured according to the UEATC method 5.4.1., July 1982) which is at least equal to 200 N and preferably of the order of 400 N.
  • the diameter d of cylindrical part 6, in the embodiment of Figure 1, or the second member 11, in the embodiment of Figure 2, in the vicinity of the outer surface of the layer 3 of insulating material should not be less than 6 mm and preferably of the order of 10 mm.
  • the difference between the diameter D of the plate 21 and the diameter a of the rigid washer or of the flat head 13 must be at least equal to 100 mm and preferably of the order of 170 mm.
  • the diameter of the washer or rigid head a and the diameter d of the fastening element are chosen such that the difference (ad) is approximately equal to 90 mm and in any case greater than 70 mm. This prevents the flexible plate 21 from “escaping" the rigid part 8 or 13 by sliding, tearing or unbuttoning.
  • Figure 3 is a sectional view perpendicular to Figure 2 and shows the method of fixing the carrier element 2 on the purlin 1.
  • the rod 7 is secured to the head of the self-tapping screw 4, which is fixed in a hollow in the ribbed sheet 2 on the purlin 1 with interruption of a washer 14.
  • the fixing device according to the invention comprises at least one thermally insulating element to avoid the formation of thermal bridges.
  • FIGS 4 and 5 show an alternative embodiment of the invention. This is intended in particular in the case of bank failures 41 which are directly adjacent to an acroterion 42.
  • the axis of the fixing point of the sealing coating is offset relative to the axis of fixing of the carrier element on the purlin.
  • the first member is constituted by two screws 51 and 52 arranged symmetrically with respect to the axis of the purlin 41, which constitutes the axis of attachment of the ribbed sheet 44 on the purlin 1.
  • This base preferably has, in cross section ( Figure 5) the shape of a U.
  • This base 43 carries at one of its ends a hollow cylindrical part 45 similar to the cylindrical part 6 of FIG. 1.
  • the axis of the hollow part is offset relative to the axis of the purlin 41. It is obviously possible to provide a similar arrangement in which the base 43 supports a rod similar to the rod 7 of FIG. 2.
  • the carrier element (ribbed sheet) is fixed to the beams or purlins of the frame by means of the fixed members 4; the insulating layer panels are put in place by "impaling" them on the extensions 6 and 7 respectively of these first members; the flexible plates are put in place in the event that they are not secured to the rigid washers, and then the second members 8, 11 are fixed to the first members so as to secure the latter with the carrier element and the purlin or beam.
  • the sealing coating is then put in place and it is fixed by welding or gluing on the flexible plate and the rigid washer of the devices according to the invention.
  • the various mechanical elements are dimensioned so as to have a pull-out resistance of the order of 5000 N; in this way, a homogeneous assembly is obtained which has a tear resistance of 5000 N and all the forces resulting from a depression undergone by the waterproofing coating are transmitted directly to the frame by the fixing members.
  • the sealing coating follows the movements of the flexible plate and cannot therefore be torn off at the periphery of the rigid washer. It is possible to use highly compressible insulations for the insulating layer, which makes it possible to further reduce the cost price and this, in particular, in the case where provision is made for crimping the flexible plate between two rigid washers.
  • rock wool having a density lower than 120 kg / m3 and preferably equal to 100 kg / m3 instead of rock wool 150 kg / m3 currently used.
  • Glass wool with a density less than 90 kg / m3 can also be used in place of glass wool with a density of 110 kg / m3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Gloves (AREA)
EP91400350A 1990-02-14 1991-02-12 Wasserdichte Deckung auf einem Gerüst befestigt Expired - Lifetime EP0442805B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91400350T ATE98319T1 (de) 1990-02-14 1991-02-12 Wasserdichte deckung auf einem geruest befestigt.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9001755 1990-02-14
FR9001755A FR2658223A1 (fr) 1990-02-14 1990-02-14 Couverture etanche fixee sur une charpente.

Publications (2)

Publication Number Publication Date
EP0442805A1 true EP0442805A1 (de) 1991-08-21
EP0442805B1 EP0442805B1 (de) 1993-12-08

Family

ID=9393709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91400350A Expired - Lifetime EP0442805B1 (de) 1990-02-14 1991-02-12 Wasserdichte Deckung auf einem Gerüst befestigt

Country Status (6)

Country Link
US (1) US5177922A (de)
EP (1) EP0442805B1 (de)
AT (1) ATE98319T1 (de)
DE (1) DE69100728T2 (de)
ES (1) ES2047990T3 (de)
FR (1) FR2658223A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996005387A1 (en) * 1994-08-15 1996-02-22 Onduline Building Products Limited Fastener for corrugated sheeting
NL1012608C2 (nl) * 1999-07-15 2001-01-16 Unidek Beheer Bv Dakconstructie voorzien van op een metalen frame steunende en daarmee verbonden dakelementen.

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426905A (en) * 1993-09-13 1995-06-27 The United States Of America As Represented By The Secretary Of The Navy Insulation attachment stud for composite material substrate
FR2715976B1 (fr) * 1994-02-09 1996-05-31 Aser Sarl Rivets-clous et procédés de mise en Óoeuvre de ceux-ci.
DE19504463A1 (de) * 1995-02-10 1996-08-14 Hilti Ag Befestigungselement für Isolationsmaterialien
DE19504984A1 (de) * 1995-02-15 1996-08-22 Hilti Ag Befestigungselement für Isolationsmaterialien
US5732526A (en) * 1996-06-24 1998-03-31 Farley; Glenn Repair procedure for delaminated container ceiling sheet and structure produced thereby
US5800891A (en) * 1997-01-23 1998-09-01 Bridgestone/Firestone, Inc. Bonding pad for nonpenetrating roof membrane fastening system
US6652208B2 (en) 1999-04-08 2003-11-25 Macdonald Joseph Gillis Fastener device and method for attaching a panel of semi-rigid material to a substrate
US20060000169A1 (en) * 2004-06-18 2006-01-05 Stephens Jason S Apparatus for protecting metal from treated wood
DE102006023209A1 (de) * 2006-05-17 2007-11-22 Airbus Deutschland Gmbh Isolierung einer Flugzeugrumpfstruktur
US9637926B2 (en) 2008-04-10 2017-05-02 Velcro BVBA Membrane roofing
CA2763058C (en) * 2012-01-05 2014-10-14 Cascadia Windows Ltd. Thermally insulative spacer and methods involving use of same
US8905697B2 (en) * 2012-04-23 2014-12-09 Illinois Tool Works Inc. Thermal break fastener
JP6303343B2 (ja) * 2013-09-04 2018-04-04 アーキヤマデ株式会社 防水シート固定構造
JP6420564B2 (ja) * 2014-04-16 2018-11-07 アーキヤマデ株式会社 防水下地パネルの設置構造及びその設置方法
JP6707343B2 (ja) * 2015-12-21 2020-06-10 ロンシール工業株式会社 防水シートの固定構造および固定方法
US10934716B2 (en) 2018-09-17 2021-03-02 Velcro Ip Holdings Llc Construction underpayment
US11536308B2 (en) 2018-12-03 2022-12-27 Arrowhead Design and Innovation, LLC Adjustable fastener system
EP3786378A1 (de) * 2019-08-29 2021-03-03 Hilti Aktiengesellschaft Befestigungsvorrichtung
US11542702B2 (en) 2020-06-25 2023-01-03 Advanced Architectural Products, Llc Adjustable support system for a building structure and a wall structure having an adjustable support system
US11566421B2 (en) 2020-06-25 2023-01-31 Advanced Architectural Products, Llc Adjustable support system for a building structure and a wall structure having an adjustable support system
USD1017840S1 (en) * 2021-08-25 2024-03-12 Up Way Systems, Lda. Waterproof screw cover

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838566A1 (de) * 1978-09-04 1980-03-13 Union Dachtechnik Gmbh Dachdeckelement
DE3040794A1 (de) * 1979-11-01 1981-05-14 Protan & Fagertun A/S, Drammen Verfahren zur befestigung von isolierenden und abdichtenden schichten
GB2111115A (en) * 1980-02-22 1983-06-29 Conder International Ltd Hook bolt for securing an outer cladding to a roof or wall structure
GB2122234A (en) * 1980-10-02 1984-01-11 Butler Manufacturing Co Insulated roof
FR2553836A1 (fr) * 1983-10-24 1985-04-26 Lebraut Raymond Goujon de fixation et d'ancrage pour feuilles ou plaques de couverture de plancher et applications analogues
DE3515734A1 (de) * 1985-05-02 1986-11-06 Dynamit Nobel Ag, 5210 Troisdorf Befestigungsvorrichtung fuer komprimierbare daemmstoffschichten

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Publication number Priority date Publication date Assignee Title
DE2803709A1 (de) * 1978-01-28 1979-08-02 Gregor Dipl Ing Schuster Befestigung von fassadenplatten
US4736561A (en) * 1981-12-14 1988-04-12 Loadmaster Systems, Inc. Roof deck construction
US4453361A (en) * 1982-04-19 1984-06-12 Construction Fasteners, Inc. Screw fastener assembly, method of providing same, and fastener suitable for use therein
SE454786B (sv) * 1984-02-10 1988-05-30 Leif Ekstrom Anordning for forankring av tva element med mellanrum vid varandra
US4787775A (en) * 1985-10-21 1988-11-29 Schlegel Lining Technology Gmbh Arrangement for transmitting force from a sheet made of polymer material onto a supporting surface
US4651490A (en) * 1986-03-07 1987-03-24 Syenergy Methods, Inc. Fastening assembly for mechanically attaching a flexible membrane to a roof construction
FR2610375A1 (fr) * 1987-01-30 1988-08-05 Prospection & Inventions Tampon de fixation de panneau
US4934887A (en) * 1987-03-27 1990-06-19 Sharp Terrell L Bolt guard
DE3837849A1 (de) * 1988-11-08 1990-05-10 Rheinhold & Mahla Gmbh Schalungsplatte zur verwendung als verlorene schalung fuer die herstellung eines hohlraumbodens
US5018329A (en) * 1989-10-05 1991-05-28 Illinois Tool Works Inc. Attachment of roofing washer with heat-sealed screw-washer assemblage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838566A1 (de) * 1978-09-04 1980-03-13 Union Dachtechnik Gmbh Dachdeckelement
DE3040794A1 (de) * 1979-11-01 1981-05-14 Protan & Fagertun A/S, Drammen Verfahren zur befestigung von isolierenden und abdichtenden schichten
GB2111115A (en) * 1980-02-22 1983-06-29 Conder International Ltd Hook bolt for securing an outer cladding to a roof or wall structure
GB2122234A (en) * 1980-10-02 1984-01-11 Butler Manufacturing Co Insulated roof
FR2553836A1 (fr) * 1983-10-24 1985-04-26 Lebraut Raymond Goujon de fixation et d'ancrage pour feuilles ou plaques de couverture de plancher et applications analogues
DE3515734A1 (de) * 1985-05-02 1986-11-06 Dynamit Nobel Ag, 5210 Troisdorf Befestigungsvorrichtung fuer komprimierbare daemmstoffschichten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996005387A1 (en) * 1994-08-15 1996-02-22 Onduline Building Products Limited Fastener for corrugated sheeting
NL1012608C2 (nl) * 1999-07-15 2001-01-16 Unidek Beheer Bv Dakconstructie voorzien van op een metalen frame steunende en daarmee verbonden dakelementen.

Also Published As

Publication number Publication date
FR2658223A1 (fr) 1991-08-16
DE69100728T2 (de) 1994-06-09
US5177922A (en) 1993-01-12
EP0442805B1 (de) 1993-12-08
ES2047990T3 (es) 1994-03-01
ATE98319T1 (de) 1993-12-15
DE69100728D1 (de) 1994-01-20

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