EP0253453B1 - Drivable cover layer for a flat roof or the like - Google Patents
Drivable cover layer for a flat roof or the like Download PDFInfo
- Publication number
- EP0253453B1 EP0253453B1 EP19870201355 EP87201355A EP0253453B1 EP 0253453 B1 EP0253453 B1 EP 0253453B1 EP 19870201355 EP19870201355 EP 19870201355 EP 87201355 A EP87201355 A EP 87201355A EP 0253453 B1 EP0253453 B1 EP 0253453B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- cover layer
- water
- tight
- sheet
- 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
Links
Images
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
Definitions
- the invention relates to a drivable cover layer for a flat roof or the like, comprising an insulating layer and/or a water-tight layer and a drivable top layer positioned there above, said top layer comprising a sheet-like upper layer and a lower layer which is supported by the insulating layer and/or the water-tight layer.
- a cover layer of this type is known from US-A-4.530.193 and is used for insulating and protecting relatively flat roofs.
- the insulating layer comprises insulation panels made, for example, of expanded foamed polystyrene whereas the water-tight layer comprises a water impermeable membrane.
- the lower layer and the upper layer of the top layer consist of extruded, foamed polystyrene panel members and a cementatious coating, respectively. These polystyrene panel members are bonded to the coating.
- This known cover layer however is not meant to be driven on.
- Another known cover layer is used in a parking roof.
- the top layer of this cover layer has to withstand the loads of vehicles on top of said parking roof without the insulating layer and/or the water-tight layer being damaged.
- the top layer of this known cover layer comprises for example a lower layer of concrete plates positioned on supports and extending at some distance above the insulating layer and/or water-tight layer, and an upper layer of melted asphalt positioned on said concrete plates. Loads occurring are led into the roof construction through the supports and thus do not lead to unacceptable stresses in the insulating layer and/ or water-tight layer.
- a disadvantage of this known cover layer is the high weight, amounting about 150 to 200 kg/m 2 .
- the average load induced by vehicles on top of the cover layer amounts about 50 to 150 kg/m 2 .
- the high cover layer weight sets high demands to the roof construction and often obstructs the application of this cover layer when adapting existing roofs to parking roofs.
- the cover layer according to the invention is characterized in that the upper layer comprises a metal sheet, such as an aluminum sheet, whereas the lower layer is elastic and comprises a rubber material adhered to the upper layer by vulcanisation or glueing along the entire surface thereof and wherein the top layer is connected to the insulating layer and/or water-tight layer by means of an adhesive.
- the upper layer comprises a metal sheet, such as an aluminum sheet
- the lower layer is elastic and comprises a rubber material adhered to the upper layer by vulcanisation or glueing along the entire surface thereof and wherein the top layer is connected to the insulating layer and/or water-tight layer by means of an adhesive.
- the sheet-like upper layer is extremely suitable for carrying concentrated loads, for example the wheel pressure of vehicles.
- these concentrated loads are regularly divided over the entire surface of the insulating and/or water-tight layer that as a result nowhere experiences an unacceptable high pressure.
- the load dividing action of the elastic lower layer is influenced positively through the fact that this lower layer is connected to said upper layer along its entire surface.
- top layer is connected to the insulating layer and/or water-tight layer by means of an adhesive, there is provided a further improvement of the behaviour of the elastic lower layer.
- the drawing illustrates a flat roof construction 1 known per se, that either is specially constructed to be provided with a drivable top layer or will be adapted for this reason.
- the flat roof construction 1 can be constructed more lightweighted than when using a conventional top layer, whereas in the second case the already more lightweighted construction will be of no problem when applying the drivable top layer.
- an insulating layer 2 On the roof construction 1 are provided an insulating layer 2 and a water-tight layer 3 of a known type. It is possible to interchange these two layers 2, so that the insulating layer 2 will be on top of the water-tight layer 3.
- the top layer comprises a sheet-like upper layer 4 and an elastic lower layer 5.
- the upper layer 4, that comprises a metal sheet, is connected to said upper layer 5 along its entire surface.
- the lower layer 5 comprises a rubber material, such as a granular rubber bound with polyurethan
- the connection between the lower layer 5 and the upper layer 4 will be obtained by vulcanisation.
- an adhesive layer 6 is provided between the lower layer 5 and the water-tight layer 3 .
- Said adhesive layer 6 comprises for example a cold adhesive.
- the metal sheet 4 is provided with a profile 7 and defines a so-called tears-sheet.
- the profile 7, that can have every suitable shape, enlarges the roughness or the coefficient of friction of the outer surface of the metal sheet 4, offering a suitable drivable surface.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Laminated Bodies (AREA)
- Road Paving Structures (AREA)
Description
- The invention relates to a drivable cover layer for a flat roof or the like, comprising an insulating layer and/or a water-tight layer and a drivable top layer positioned there above, said top layer comprising a sheet-like upper layer and a lower layer which is supported by the insulating layer and/or the water-tight layer.
- A cover layer of this type is known from US-A-4.530.193 and is used for insulating and protecting relatively flat roofs. The insulating layer comprises insulation panels made, for example, of expanded foamed polystyrene whereas the water-tight layer comprises a water impermeable membrane. The lower layer and the upper layer of the top layer consist of extruded, foamed polystyrene panel members and a cementatious coating, respectively. These polystyrene panel members are bonded to the coating. This known cover layer however is not meant to be driven on.
- Another known cover layer is used in a parking roof. The top layer of this cover layer has to withstand the loads of vehicles on top of said parking roof without the insulating layer and/or the water-tight layer being damaged. For this purpose the top layer of this known cover layer comprises for example a lower layer of concrete plates positioned on supports and extending at some distance above the insulating layer and/or water-tight layer, and an upper layer of melted asphalt positioned on said concrete plates. Loads occurring are led into the roof construction through the supports and thus do not lead to unacceptable stresses in the insulating layer and/ or water-tight layer.
- A disadvantage of this known cover layer is the high weight, amounting about 150 to 200 kg/m2. In comparison: the average load induced by vehicles on top of the cover layer amounts about 50 to 150 kg/m2. The high cover layer weight sets high demands to the roof construction and often obstructs the application of this cover layer when adapting existing roofs to parking roofs.
- It is an object of the invention to provide a cover layer of the type referred to above eliminating said disadvantage and being well-fit to be driven on.
- Therefore the cover layer according to the invention is characterized in that the upper layer comprises a metal sheet, such as an aluminum sheet, whereas the lower layer is elastic and comprises a rubber material adhered to the upper layer by vulcanisation or glueing along the entire surface thereof and wherein the top layer is connected to the insulating layer and/or water-tight layer by means of an adhesive.
- The sheet-like upper layer is extremely suitable for carrying concentrated loads, for example the wheel pressure of vehicles. Through the elastic lower layer these concentrated loads are regularly divided over the entire surface of the insulating and/or water-tight layer that as a result nowhere experiences an unacceptable high pressure. Further the load dividing action of the elastic lower layer is influenced positively through the fact that this lower layer is connected to said upper layer along its entire surface. As a result a transverse motion of the elastic lower layer (transverse contraction), when being compressed, is avoided and a large transversal coherence is provided in this layer with the said positive effect, further limiting the vertical compression. A reduction of the transverse contraction of the elastic lower layer is of essential importance with respect to the quality and the applicability of the cover layer according to the invention.
- Because the top layer is connected to the insulating layer and/or water-tight layer by means of an adhesive, there is provided a further improvement of the behaviour of the elastic lower layer.
- Hereafter the invention will be elucidated further with reference to the drawing showing a perspective view of an embodiment of a cover layer according to the invention.
- The drawing illustrates a
flat roof construction 1 known per se, that either is specially constructed to be provided with a drivable top layer or will be adapted for this reason. In the first case theflat roof construction 1 can be constructed more lightweighted than when using a conventional top layer, whereas in the second case the already more lightweighted construction will be of no problem when applying the drivable top layer. - On the
roof construction 1 are provided aninsulating layer 2 and a water-tight layer 3 of a known type. It is possible to interchange these twolayers 2, so that theinsulating layer 2 will be on top of the water-tight layer 3. - The top layer comprises a sheet-like
upper layer 4 and an elasticlower layer 5. Theupper layer 4, that comprises a metal sheet, is connected to saidupper layer 5 along its entire surface. When thelower layer 5 comprises a rubber material, such as a granular rubber bound with polyurethan, the connection between thelower layer 5 and theupper layer 4 will be obtained by vulcanisation. Between thelower layer 5 and the water-tight layer 3 anadhesive layer 6 is provided. Saidadhesive layer 6 comprises for example a cold adhesive. - The
metal sheet 4 is provided with a profile 7 and defines a so-called tears-sheet. The profile 7, that can have every suitable shape, enlarges the roughness or the coefficient of friction of the outer surface of themetal sheet 4, offering a suitable drivable surface. - For obtaining a surface large enough it is possible to position a number of
metal sheets 4 one beside of the other. - The invention is not limited to the embodiment illustrated before, but can be varied widely within the scope of the invention.
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8601865 | 1986-07-16 | ||
NL8601865A NL8601865A (en) | 1986-07-16 | 1986-07-16 | DRIVABLE COVER FOR A FLAT ROOF OR THE LIKE. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0253453A2 EP0253453A2 (en) | 1988-01-20 |
EP0253453A3 EP0253453A3 (en) | 1988-03-30 |
EP0253453B1 true EP0253453B1 (en) | 1990-10-10 |
Family
ID=19848327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19870201355 Expired - Lifetime EP0253453B1 (en) | 1986-07-16 | 1987-07-15 | Drivable cover layer for a flat roof or the like |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0253453B1 (en) |
DE (1) | DE3765480D1 (en) |
NL (1) | NL8601865A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19716162C1 (en) * | 1997-04-18 | 1999-03-04 | German Schindler | Flooring for parking garages, underground garages, parking decks or garages |
DE10006637A1 (en) * | 2000-02-14 | 2001-08-16 | Sika Chemie Gmbh | Waterproof roof skin, e.g. for flat roofs, has a substructure of boarding covered with an adhesive sealing layer and an outer covering fixed to the sealing layer with a permanent elastic bond |
BE1016393A5 (en) * | 2004-12-23 | 2006-10-03 | Muylle Facon N V | ADHESIVE FOR COLD BONDING OF BUILDING MATERIALS. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2049512A5 (en) * | 1969-06-12 | 1971-03-26 | Mine Bitume Centre | Bitumastic covering for buildings |
FR2219288A1 (en) * | 1973-02-26 | 1974-09-20 | Lexsuco Inc | Protective material - formed of a plastic devulcanised scrap rubber and bituminous material |
DE3047763C2 (en) * | 1980-12-15 | 1985-05-30 | Theo Dipl.-Ing. 7560 Gaggenau Rieger | Elastic cover made of metal for flat roofs and balconies |
FR2539785B1 (en) * | 1983-01-20 | 1986-01-31 | Strati France | WATERPROOF AND INSULATING COATING FOR A SUPPORT, PARTICULARLY FOR A TERRACE ROOF, ACCORDING TO THE REVERSE SEALING TECHNIQUE |
US4530193A (en) * | 1984-07-16 | 1985-07-23 | Minnesota Diversified Products, Inc. | Built-up roof structure and method of preparing roof structure |
-
1986
- 1986-07-16 NL NL8601865A patent/NL8601865A/en not_active Application Discontinuation
-
1987
- 1987-07-15 EP EP19870201355 patent/EP0253453B1/en not_active Expired - Lifetime
- 1987-07-15 DE DE8787201355T patent/DE3765480D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL8601865A (en) | 1988-02-16 |
DE3765480D1 (en) | 1990-11-15 |
EP0253453A2 (en) | 1988-01-20 |
EP0253453A3 (en) | 1988-03-30 |
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