EP0557170B1 - Wärmedämmende und wasserdichte Gebäudeeindeckung - Google Patents

Wärmedämmende und wasserdichte Gebäudeeindeckung Download PDF

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Publication number
EP0557170B1
EP0557170B1 EP19930400365 EP93400365A EP0557170B1 EP 0557170 B1 EP0557170 B1 EP 0557170B1 EP 19930400365 EP19930400365 EP 19930400365 EP 93400365 A EP93400365 A EP 93400365A EP 0557170 B1 EP0557170 B1 EP 0557170B1
Authority
EP
European Patent Office
Prior art keywords
self
supporting layer
lips
supporting
layer
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.)
Expired - Lifetime
Application number
EP19930400365
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English (en)
French (fr)
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EP0557170A1 (de
Inventor
Francis Ovaert
Dominique Royer
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.)
SMAC SAS
Original Assignee
SMAC SAS
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Publication date
Application filed by SMAC SAS filed Critical SMAC SAS
Publication of EP0557170A1 publication Critical patent/EP0557170A1/de
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Publication of EP0557170B1 publication Critical patent/EP0557170B1/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
    • E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
    • 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
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs

Definitions

  • the present invention relates to an insulating and waterproof cover for a building, of the type described in the preamble of claim 1.
  • the thermal insulation and sealing means comprise ribbed steel sheets, the waves of which are arranged perpendicular to the bearing lips and which are fixed on these lips, and, on these sheets, a layer of thermal insulation surmounted by a waterproofing membrane.
  • the thermal insulation layer can be fixed to the ribbed steel sheets and the waterproofing membrane can be glued or welded to it, or alternatively, the insulation layer and the waterproofing membrane are simultaneously fixed to the steel sheets ribbed by mechanical fasteners.
  • This solution has the advantage of using only standard materials, but it takes a long time to implement because of the multiplicity of fasteners. In addition, the cost of the system is high.
  • FR-A-2 156 597 describes a cover of the aforementioned type, of simplified structure.
  • this roofing uses three-layer composite decking boards which have to be made specially for each type of profile, which is very expensive.
  • the object of the invention is to provide an insulating and waterproof covering which is relatively inexpensive and easy to implement while nevertheless exhibiting satisfactory performance.
  • the subject of the invention is a blanket of the aforementioned type, characterized by the characterizing part of claim 1.
  • the cover shown in Figures 1 and 2 without its waterproofing membrane and in Figure 3 with this membrane consists of a metallic support layer 1, a two-layer non-metallic decking 2 and the waterproofing membrane 3.
  • the support layer 1 is made up of juxtaposed metal profiles 4 each having a generally U-shaped section, with a flat bottom 5 bordered on each side by a vertical wing 6 which is connected to the bottom by an almost sharp right angle. About halfway up, each wing is deflected obliquely towards the inside of the profile, then upwards, then horizontally outwards, one of the two wings also ending in a small vertical descending ledge 7
  • One of the two wings also has, in its lower part, a longitudinal recess 6A intended to receive an appropriate seal (not shown).
  • the lips 9 have a width generally between 20 and 50 mm and preferably between 30 and 35 mm, for a width of the sections of the order of 400 mm and a height of the wings of the order of 70 mm.
  • the bottoms 5 of the profiles are fixed to the purlins 10 of the frame of the building to be covered, by suitable mechanical fastening members not shown, so that the lips 9 extend perpendicular to these purlins.
  • the deck 2 consists of two superimposed layers which are successively put in place, namely a lower self-supporting layer 11 and an upper layer 12 of thermal insulation.
  • the lower layer 11 consists of rectangular plates 13 whose thickness is chosen to a minimum value to ensure its self-supporting character, that is to say 3 to 10 mm or more, depending on the material used. It can be plasterboard of about 10 mm thick, which also provide fire resistance and soundproofing functions, or, if moisture resistance is sought, chipboards classified CTBH from 4 to 10 mm d '' thickness or plywood sheets classified CTBX from 2 to 6 mm thick. It is also possible to use insulating materials such as mineral fibers, expanded polystyrene, perlite-cellulose, polyurethane, in the form of monolithic or composite materials, or alternatively combinations of the abovementioned materials.
  • the underside of the plates 13 can optionally be provided with a vapor barrier (not shown).
  • the plates of the layer 11 have a dimension L perpendicular to the lips 9, called width, which is equal to a multiple of the width l of the bottoms 5. At intervals equal to this width, these plates bear, at least on their upper face , a longitudinal lineage 14.
  • the longitudinal edges of the plates 13 are aligned on the median axis of certain lips 9.
  • screws 15 for fixing these plates, which are screwed at the location of the linings 14 previously positioned directly above other lips 9.
  • the longitudinal edges of the plates 13 can be centered by means of screws 16 previously screwed along the center line of the corresponding lips 9 and projecting above them over a height at most equal to the thickness of the plates 13.
  • the upper layer 12 of the decking consists of rectangular plates 19 made of a thermally insulating material such as rock wool or other fibrous material or a plastic material. These plates, which have a thickness generally greater than that of the plates 13, typically of the order of 10 to 30 mm, have dimensions which are such that, when they are juxtaposed contiguously, all their joints can be offset by relative to the joints of the same direction of the plates 13. This can be obtained by making the dimension L ' of the plates 19 parallel to the purlins 10 and the width L of the plates 13 to be prime numbers between them, and that the same is true in the direction perpendicular to the purlins.
  • the plates 19 are placed contiguously on the support layer 11.
  • fixing members consisting of a screw 20 and a distribution washer 21 which rests on the upper surface of the plate 19. The screws 20 are thus screwed securely into the lips 9, simultaneously producing fixing the layer 11 on these lips.
  • the strips of the waterproofing membrane 3 which may in particular be a bituminous membrane, are unwound over the layer 12, according to a any direction, and they are fixed by welding or gluing, as shown in Figure 3, which shows the finished cover.
  • FIG. 3 Also shown in Figure 3 are two variants comprising means for enhancing the acoustic or thermal performance of the roof.
  • the bottom 5 has been perforated and placed thereon, between the two wings, a mattress 22 of dense rock wool.
  • an additional sheet 23 is held on this mattress held by the wings of the profile.
  • the sheet 23 can optionally be replaced by a plasterboard, a bituminous sheet, etc.
  • the bottom 5 of the profile is not perforated.
  • a mattress 24 of thermally insulating material such as glass wool is simply placed, in order to reinforce the thermal insulation of the cover. It is understood that one can have a thermal mattress 24 above an acoustic mattress 22 in the same profile.
  • the mattresses 22 and / or 24 may include a vapor barrier, for example made of aluminum.
  • the cover shown in Figure 6 has the same layers 11 and 12 as that of Figure 1, and differs from it only in the manner in which the sealing membrane 3 is implemented.
  • the strips of the membrane 3 are parallel to the purlins 10, and the fixing members 20-21 serve to simultaneously fix this membrane and the plates 19 and 13 on the lips 9.
  • the distribution washers 21 preferably have, in this case, a rectangular shape, and the marginal region 26 of the next strip covers these washers and is fixed by welding or gluing to the marginal region of the previous strip.
  • the self-supporting plates 13 have a slight flexibility which allows the cover to be used according to the invention in the case where the roof has a curved part whose generatrices are materialized by the lips 9.
  • the layer 11 plates 13 one dimension (width L ) of which is a multiple of the width of the sections 4 and the other dimension of which (length) is a multiple of the spacing of the lips 9 in the curved region of the roof. This allows the plates 13 to be used in one direction in the flat region and in the other direction in the curved region of the roof; in this case, a second line will be provided, perpendicular to the line 14, on the upper face of the plates 13.

Claims (12)

  1. Isolierende und dichte Gebäudebedachung des Typs mit einer Trägerschicht (1), die eine Reihe von nebeneinanderliegenden Formstählen (4) enthält, die dazu vorgesehen sind, am Gebälk (10) des Gebäudes befestigt zu werden, wobei jeder Formstahl eine allgemeine U-Form mit einem ebenen Boden (5) besitzt, der auf jeder Seite zu einem vertikalen Flügel (6) umgebogen ist, wobei die Enden der Flügel schmale Abstützleisten (9) definieren, die zu den Böden (5) parallel sind, sowie mit Wärmeisolations- und Dichtungsmitteln (2, 3), die von der Trägerschicht getragen werden, wobei diese Mittel enthalten:
    - einen Belag (2), der wenigstens eine selbsttragende Schicht (11) enthält, die aus nicht metallischen Platten (13) gebildet ist, wovon eine Abmessung, die Breite genannt wird, ein Vielfaches des Abstandes der Leisten (9) ist, wobei der Belag (2) eine Wärmeisolationsschicht (12) enthält, die zwischen die selbsttragende Schicht (11) und die Abdeckung (3) eingefügt ist;
    - Mittel (15; 16; 17, 18; 20) für die Positionierung der longitudinalen Ränder der Platten (13; 13A) der selbsttragenden Schicht (11) rechtwinklig zu den entsprechenden Abstützleisten (9);
    - Mittel (20, 21) für die Befestigung des momentanen Teils des Belags (2) an den Leisten (9) ; und
    - eine Dichtungsabdeckung (3), die den Belag abdeckt,
    dadurch gekennzeichnet, daß die Wärmeisolationsschicht (12) von der selbsttragenden Schicht (11) unabhängig ist und durch die selbsttragende Schicht hindurch an den Leisten (9) befestigt ist.
  2. Bedachung nach Anspruch 1, dadurch gekennzeichnet, daß die Isolierschicht (12) aus nebeneinanderliegenden Platten (19) gebildet ist, deren Stöße in bezug auf jene der selbsttragenden Schicht (11) versetzt sind.
  3. Bedachung nach Anspruch 2, dadurch gekennzeichnet, daß in jeder Richtung die Abmessung der Platten (19) der Isolierschicht (12) und diejenige der Platten (13) der selbsttragenden Schicht (11) untereinander Primzahlen sind.
  4. Bedachung nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Positionierungsmittel Vorfixierungsschrauben (15) für die selbsttragende Schicht (11) umfassen.
  5. Bedachung nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Positionierungsmittel Schrauben (16) umfassen, die in die Leisten (9) geschraubt sind und von diesen um eine Höhe vorstehen, die höchstens gleich der Dicke der selbsttragenden Schicht (11) ist.
  6. Bedachung nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Positionierungsmittel Bügel (17) enthalten, die die Leisten (9) übergreifen und mit einer Rippe (18) versehen sind, die nach oben um eine Höhe vorsteht, die höchstens gleich der Dicke der selbsttragenden Schicht (11) ist.
  7. Bedachung nach irgendeinem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Abdeckung (3) aus einer Dichtungsmembran gebildet ist, die auf den Belag (2) geklebt oder geschweißt ist oder aber gleichzeitig mit dem Belag (2) mittels mechanischer Befestigungselemente (20, 21) an den Leisten befestigt wird.
  8. Bedachung nach irgendeinem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Abdeckung (3) aus Bahnen gebildet ist, die sich senkrecht zu den Formstählen (4) erstrecken.
  9. Bedachung nach irgendeinem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die selbsttragende Schicht (11) auf ihrer oberen Fläche eine Linienstruktur (14) aufweist, die sich rechtwinklig zu jeder Abstützleiste (9) erstreckt, welche sie übergreift.
  10. Bedachung nach irgendeinem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Formstähle (4) mit Mitteln (22, 23; 24) für die Schallisolation und/oder -anpassung und/oder für eine zusätzliche Wärmeisolation ausgerüstet sind.
  11. Bedachung nach irgendeinem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Flügel (6) der benachbarten Formstähle (4) ineinandergesteckt sind und dabei insbesondere einen Kasten (8) bilden.
  12. Bedachung nach irgendeinem der Ansprüche 1 bis 11 für eine Dachkonstruktion, die einen gekrümmten Teil aufweist, wobei sich die Abstützleisten längs der Erzeugenden dieses gekrümmten Teils erstrecken, dadurch gekennzeichnet, daß die andere Abmessung der Platten der selbsttragenden Schicht ein Vielfaches des Abstandes der Abstützleisten in diesem gekrümmten Teil ist.
EP19930400365 1992-02-13 1993-02-12 Wärmedämmende und wasserdichte Gebäudeeindeckung Expired - Lifetime EP0557170B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9201625A FR2687422B1 (fr) 1992-02-13 1992-02-13 Couverture isolante et etanche pour batiment.
FR9201625 1992-02-13

Publications (2)

Publication Number Publication Date
EP0557170A1 EP0557170A1 (de) 1993-08-25
EP0557170B1 true EP0557170B1 (de) 1997-04-23

Family

ID=9426612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930400365 Expired - Lifetime EP0557170B1 (de) 1992-02-13 1993-02-12 Wärmedämmende und wasserdichte Gebäudeeindeckung

Country Status (4)

Country Link
EP (1) EP0557170B1 (de)
DE (1) DE69309988D1 (de)
ES (1) ES2104082T3 (de)
FR (1) FR2687422B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730514B1 (fr) * 1995-02-14 1997-05-09 Soprema Paroi de batiment, notamment paroi de couverture comportant une isolation thermique et/ou acoustique
FR2732060B1 (fr) * 1995-03-24 1997-05-23 Haironville Sa Paroi de batiment comportant une isolation thermique et/ou acoustique
FR2829162B1 (fr) * 2001-07-27 2012-02-10 Saint Gobain Isover Materiau d'isolation a base de laine minerale, systeme d'isolation, methode d'isolation
CN110593492A (zh) * 2018-06-12 2019-12-20 中国二十冶集团有限公司 紧密型泡沫玻璃保温防水装置及其一体化施工方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789529A (fr) * 1971-10-01 1973-01-15 Robertson Co H H Structure de toit
FR2283276A1 (fr) * 1974-08-28 1976-03-26 Chalumel Ste Expl Entreprise Procede et dispositif pour fixer mecaniquement des materiaux isolants sur des supports metalliques
US4445305A (en) * 1982-09-27 1984-05-01 Orie Sr Thomas A Insulating secondary roof system
EP0270716A1 (de) * 1986-12-08 1988-06-15 SMAC ACIEROID Société dite: Thermo-Akustisch isolierende Wand

Also Published As

Publication number Publication date
EP0557170A1 (de) 1993-08-25
DE69309988D1 (de) 1997-05-28
FR2687422B1 (fr) 1996-03-15
ES2104082T3 (es) 1997-10-01
FR2687422A1 (fr) 1993-08-20

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