EP0183266B1 - Unterspannbahn für geneigte Dächer - Google Patents
Unterspannbahn für geneigte Dächer Download PDFInfo
- Publication number
- EP0183266B1 EP0183266B1 EP85115103A EP85115103A EP0183266B1 EP 0183266 B1 EP0183266 B1 EP 0183266B1 EP 85115103 A EP85115103 A EP 85115103A EP 85115103 A EP85115103 A EP 85115103A EP 0183266 B1 EP0183266 B1 EP 0183266B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- under
- roof membrane
- film
- open
- foam
- 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
- 239000012528 membrane Substances 0.000 title claims description 27
- 239000006260 foam Substances 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000002352 surface water Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 15
- 238000009792 diffusion process Methods 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 238000003475 lamination Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
- E04D12/002—Sheets of flexible material, e.g. roofing tile underlay
Definitions
- the invention relates to a sarking membrane for pitched roofs, with a water vapor permeable, surface waterproof film and a layer of foam.
- thermally insulated roofs moisture from the room air often penetrates into the thermal insulation made of foam or fiber material under certain weather conditions and, especially if this thermal insulation is covered with a foil for reasons of pollution or because surface water is drained from above, can lead to undesirable moisture penetration due to the temperature falling below the dew point cause a partial loss of thermal insulation properties. For this reason, it was previously necessary to always leave a ventilation space between the thermal insulation and an upper cover.
- the present invention has for its object to provide a sarking membrane which has only a very low water vapor diffusion resistance, but which is nevertheless surface-water-tight and very flexible and adapts well to the unevenness of the roof or the thermal insulation layer underneath. Nevertheless, this underlay should have sufficient tensile strength and in particular should be so permeable to vapor that no additional ventilation space between the underlay and insulation material is required.
- the film has a diffusion-equivalent air layer thickness of 0.07-0.12 m and is connected to a reinforcing layer made of an open-pore soft foam, and that a reinforcement made of a tear-resistant mesh fabric is arranged between the film and soft foam.
- This diffusion-equivalent air layer thickness can be determined in accordance with DIN 52615 by determining the water vapor permeability and indicates an air layer thickness that has the same diffusion resistance as the corresponding material.
- the film expediently has a thickness of 20-40 .mu.m, in particular 25-30 .mu.m and consists of polyurethane.
- the film can also be provided with a reflective surface in order to reflect back radiation and thus further improve the insulation of the roof.
- the mesh fabric expediently consists of polyester and has filaments with a diameter of 0.3-1 mm, in particular 0.5-0.8 mm, and a mesh size of 6-20 mm, in particular 8-12 mm.
- the open-pore soft foam layer made of polyether polyurethane advantageously has a thickness of 2-12 mm, in particular 4-8 mm.
- the film can be at least partially bonded to the foam in the area between the filaments of a mesh of the mesh fabric. It is particularly expedient if soft foam, grid fabric and foils are connected to one another by flame lamination.
- the sarking membrane can then be arranged directly on the rafters and the intermediate rafter insulation and fastened by means of counter battens.
- the underlay can be arranged directly on the insulation boards.
- the underlay 1 practically consists of three layers, namely the soft foam layer 2, the mesh fabric 3 with the filaments 4 and the covering film 5.
- the film 5 which expediently consists of polyurethane, has a thickness of 20-40 ⁇ m, in particular 25-30 ⁇ m.
- the elongation at break is 550-600% and the tensile strength is 50-75 N / mm 2 .
- the water vapor permeability - measured according to DIN 53122 - at 38 ° C and 90% relative humidity amounts to 350 g / m 2 d with a 30 pm thick polyether film or to 900 g / m 2 d with a corresponding polyether film.
- the water pressure test according to DIN 53886 showed values of over 1500 mm WS (corresponding to 165 mbar).
- the film can be equipped with fire-retardant additives.
- the reinforcement 3 running below the film 5 consists of a mesh or -laid, which can be produced by knitting, weaving, interweaving, linking or coextrusion of crossing filaments 4 and which is equipped with fixed or loose crossing points.
- the mesh size is 6-20 mm, especially 8-12 mm.
- the individual filaments 4 have a thickness of 0.3-1 mm, in particular 0.5-0.8 mm, with warp or weft, but also from individual threads in the form of tapes with a width of 0.3-3 mm, in particular 0.5-1.5 mm can be formed.
- Open-pore flexible polyether polyurethane foams with a bulk density of 25-45 kg / m 3 , in particular 30-35 kg / m 3 , and a thickness of 2-12 mm, in particular 4-8 mm, are advantageously used as the membrane 2 DIN 53571 have a tensile strength greater than 85 kPA.
- the air permeability should be 100-300 l / min 100 cm 2 , in particular 160-200 l / min 100 cm 2 at 10 mm water column pressure and 50 mm sample thickness.
- the three layers, namely the film 5, the mesh fabric 3 and the foam sheet 2, are expediently connected to one another by flame lamination.
- the filaments 4 of the mesh fabric 3 are partially embedded in the foam web 2 and the foils 5 are glued over the entire surface to the foam and at least in sections to the filaments 4 of the mesh fabric 3.
- This also increases the tensile strength of the underlay and makes warping due to folding or waves more difficult.
- the diffusion of the water vapor is facilitated by the undisturbed transition area of the foils 5 between the mesh fabric 3 and the foam 2.
- the three layers of the roofing membrane can be specially equipped to make the building material class B1 flame retardant or at least building material class 2 according to DIN 4102.
- Fig. 2 an application example of the sarking membrane 1 on a pitched roof is now explained in more detail.
- the space between the rafters 6 is filled with insulating material 7, for example made of mineral wool, at a woolly height.
- insulating material 7 for example made of mineral wool
- a lamination in the form of a metal foil 8 can also be applied as a vapor barrier.
- a layer or a material whose diffusion-equivalent air layer thickness is only 2 m is also sufficient for this.
- the roofing membrane 1 according to the invention is now applied to the top of the rafters 6 and directly to the insulating material 7. This sarking membrane 1 is expediently nailed onto the rafters 6 by means of counter battens 9.
- the sarking membrane 1 is expediently laid in rows from the bottom to the top of the eaves, a corresponding overlap being appropriate depending on the inclination of the roof. Because of the low vapor retarding effect of the roofing membrane according to the invention, it can then be installed continuously over the ridge.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
- Tents Or Canopies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT85115103T ATE52297T1 (de) | 1984-11-29 | 1985-11-28 | Unterspannbahn fuer geneigte daecher. |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3443581 | 1984-11-29 | ||
| DE3443581 | 1984-11-29 | ||
| DE3538597 | 1985-10-30 | ||
| DE19853538597 DE3538597A1 (de) | 1984-11-29 | 1985-10-30 | Unterspannbahn fuer geneigte daecher |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0183266A2 EP0183266A2 (de) | 1986-06-04 |
| EP0183266A3 EP0183266A3 (en) | 1987-06-03 |
| EP0183266B1 true EP0183266B1 (de) | 1990-04-25 |
Family
ID=25826931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85115103A Expired - Lifetime EP0183266B1 (de) | 1984-11-29 | 1985-11-28 | Unterspannbahn für geneigte Dächer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4630421A (da) |
| EP (1) | EP0183266B1 (da) |
| JP (1) | JP2514610B2 (da) |
| DE (2) | DE3538597A1 (da) |
| DK (1) | DK159073C (da) |
| ES (1) | ES290598Y (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19531186A1 (de) * | 1995-08-24 | 1997-02-27 | Metzeler Schaum Gmbh | Dachaufbau |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2636995B1 (fr) * | 1988-09-08 | 1992-09-04 | Tassel Olivier | Composant de toiture a isolation integree |
| US4850165A (en) * | 1988-10-07 | 1989-07-25 | Ohern Iyn Yeong | Heat resistance brick |
| DE3905142A1 (de) * | 1989-02-20 | 1990-08-23 | Gehring Manfred | Dichtungsstreifen fuer first- und gratabdeckungen |
| GB9210229D0 (en) † | 1992-05-13 | 1992-07-01 | Don & Low Holdings Ltd | Improvements in and relating to liquid impermeable and liquid vapour permeable laminates |
| EP0659226A1 (en) * | 1992-09-01 | 1995-06-28 | WATSON, William, Black | Composite material |
| US5452553A (en) * | 1993-09-13 | 1995-09-26 | Clapp; Guy C. | Waterproof coverings for generally flat or low-pitch roofs on buildings |
| DE4442380A1 (de) | 1994-11-29 | 1996-05-30 | Wolff Walsrode Ag | Wasserdichte und atmungsaktive Flächengebilde aus Harzmischungen thermoplastischer Polyurethane |
| AU3746195A (en) * | 1994-12-12 | 1996-07-03 | Klober, Johannes | Diffusion sheet, in particular in the form of a braced undersheetfor roofs |
| US7008890B1 (en) * | 1995-04-19 | 2006-03-07 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Vapor barrier for use in the thermal insulation of buildings |
| AU5895396A (en) * | 1995-05-22 | 1996-12-11 | Akzo Nobel N.V. | Air barrier and use thereof in roofs |
| WO1996037667A1 (de) * | 1995-05-22 | 1996-11-28 | Akzo Nobel N.V. | Unterspannbahn und verwendung derselben |
| EP0767284B1 (de) | 1995-10-07 | 1999-07-28 | Paul Bauder GmbH & Co. | Diffusionsoffene Schalungs- und Unterspannbahn |
| NL1001978C2 (nl) * | 1995-12-22 | 1997-06-24 | Dsm Nv | Bouwfolie. |
| AT406880B (de) | 1998-02-11 | 2000-10-25 | Karl Ing Brandstetter | Zu- und abluftpaneel für geneigte dachflächen |
| GB0010187D0 (en) * | 2000-04-26 | 2000-06-14 | Forbes Douglas C | Improvements relating to construction |
| CA2443143A1 (en) * | 2003-09-26 | 2005-03-26 | Fabrene Inc. | Roofing underlayment |
| US7805900B2 (en) * | 2004-08-23 | 2010-10-05 | Kelly Thomas L | Fiberglass reinforced spray foam roof construction |
| DE102006000655A1 (de) * | 2006-01-03 | 2007-07-05 | Matthias Chachulski | Dachkonstruktion |
| US20070234663A1 (en) * | 2006-01-18 | 2007-10-11 | Choiniere Stanley W | Insulation assemblies for roofing and method of installation |
| US8033073B1 (en) * | 2007-09-27 | 2011-10-11 | Steven Binder | Roof batten system |
| NO333520B1 (no) * | 2009-11-06 | 2013-07-01 | Flaax Holding As | Solcelletaksten |
| DE102010018810B4 (de) * | 2010-04-07 | 2022-07-28 | Ewald Dörken Ag | Bahn, insbesondere zur Verwendung im Baubereich |
| EP2554758A1 (en) * | 2011-08-02 | 2013-02-06 | DSM IP Assets B.V. | A water vapour control arranged facing the inside of a building |
| FR3034789B1 (fr) * | 2015-04-13 | 2020-10-30 | Jean Paul Lefaucheux | Bouclier etanche de la construction |
| DE102015110888A1 (de) * | 2015-07-06 | 2017-01-12 | Ivt-Industrie-Vertrieb-Technik Gmbh & Co. Kg | Trennbahn und Verfahren zur Herstellung einer Trennbahn |
| CN105133797A (zh) * | 2015-07-29 | 2015-12-09 | 北京中联天盛建材有限公司 | 一种即有屋面的节能环保式防水保温施工方法 |
| KR101636699B1 (ko) * | 2016-05-23 | 2016-07-06 | 가온비 주식회사 | 축열조의 루프 구조 및 그 시공방법 |
| NL2019185B1 (en) * | 2017-07-05 | 2019-01-16 | Nuon Sales Nederland N V | Roof system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1172167A (en) * | 1966-05-03 | 1969-11-26 | Celotex Corp | Roofing Material and Method of Forming a Roof |
| BE718134A (da) * | 1968-07-16 | 1968-12-31 | ||
| DE1945686A1 (de) * | 1969-09-10 | 1971-03-18 | Metallgesellschaft Ag | Dachunterspannbahn |
| AT290857B (de) * | 1969-10-21 | 1971-06-25 | Semperit Ag | Verfahren zur Herstellung eines Schichtstoffes |
| US4045922A (en) * | 1976-06-28 | 1977-09-06 | Elliott Frank S | Insulative roof apparatus for mobile homes and the like |
| DE7720432U1 (de) * | 1977-06-29 | 1977-10-13 | Bemberg Folien Gmbh, 5600 Wuppertal | Dachunterspannbahn |
| US4241555A (en) * | 1978-05-30 | 1980-12-30 | Radva Plastics Corporation | Composite panel structure and method of manufacture |
| US4434601A (en) * | 1980-02-26 | 1984-03-06 | Hans Zellmer | Heat insulated roof structure |
| FR2532673B1 (fr) * | 1982-09-07 | 1985-08-09 | Smac Acieroid | Revetement de couverture, isolant et etanche |
| US4557092A (en) * | 1984-08-22 | 1985-12-10 | Butler Manufacturing Company | Safety reinforced roof insulation |
-
1985
- 1985-10-30 DE DE19853538597 patent/DE3538597A1/de active Granted
- 1985-11-26 DK DK545185A patent/DK159073C/da not_active IP Right Cessation
- 1985-11-27 JP JP60267047A patent/JP2514610B2/ja not_active Expired - Lifetime
- 1985-11-28 EP EP85115103A patent/EP0183266B1/de not_active Expired - Lifetime
- 1985-11-28 ES ES1985290598U patent/ES290598Y/es not_active Expired
- 1985-11-28 DE DE8585115103T patent/DE3577336D1/de not_active Expired - Fee Related
- 1985-11-29 US US06/803,134 patent/US4630421A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19531186A1 (de) * | 1995-08-24 | 1997-02-27 | Metzeler Schaum Gmbh | Dachaufbau |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0183266A3 (en) | 1987-06-03 |
| EP0183266A2 (de) | 1986-06-04 |
| DK545185D0 (da) | 1985-11-26 |
| DK545185A (da) | 1986-05-30 |
| DK159073C (da) | 1991-01-28 |
| JP2514610B2 (ja) | 1996-07-10 |
| DE3577336D1 (de) | 1990-05-31 |
| DE3538597C2 (da) | 1989-09-21 |
| JPS61137952A (ja) | 1986-06-25 |
| US4630421A (en) | 1986-12-23 |
| DK159073B (da) | 1990-08-27 |
| DE3538597A1 (de) | 1986-05-28 |
| ES290598Y (es) | 1986-12-01 |
| ES290598U (es) | 1986-04-16 |
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