EP0352394B1 - Bauweise zur Wärmedämmung und Dichtung von Dächern und Dichtungsschicht zu deren Verwendung - Google Patents
Bauweise zur Wärmedämmung und Dichtung von Dächern und Dichtungsschicht zu deren Verwendung Download PDFInfo
- Publication number
- EP0352394B1 EP0352394B1 EP88440068A EP88440068A EP0352394B1 EP 0352394 B1 EP0352394 B1 EP 0352394B1 EP 88440068 A EP88440068 A EP 88440068A EP 88440068 A EP88440068 A EP 88440068A EP 0352394 B1 EP0352394 B1 EP 0352394B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- self
- sealing
- thermoweldable
- adhesive
- 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
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/12—Roof covering by making use of flexible material, e.g. supplied in roll form specially modified, e.g. perforated, with granulated surface, with attached pads
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- 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 present invention relates to roofing systems used for sealing and insulating roofs, in particular but not exclusively in ribbed steel sheets, and it aims at improvements to those of these systems using insulating polystyrene panels. expanded.
- the insulation and sealing system described in this patent consists in first fixing on the support to be protected common expanded polystyrene sheets by means of a cold glue, then to be applied to these sheets, also cold. , a first sealing layer self-adhesive, and finally to heat cover this first layer with a second self-protected sealing layer.
- the expanded polystyrene sheets used in this system are simple commercial panels, without surfacing, of expanded polystyrene with a density between about 16 and 25 kg / m3, which can be bonded cold directly to the support, without risk of degradation of the appropriate waterproof layers applied on top.
- the first sealing layer of this system is also applied cold, thanks to the use of self-adhesive sheets comprising a reinforcement, for example of organic fibers such as non-woven polyester fibers, which allows them to s' adapt without constraints to the movements of the support.
- a reinforcement for example of organic fibers such as non-woven polyester fibers
- the second sealing layer is then applied by heat welding to the first, this mode of application improving at the same time the adhesion of the first layer by thermal reduction of the viscosity of its self-adhesive mass and correlative increase in its adhesiveness.
- This second sealing layer is produced by means of bitumen-based sealing sheets, comprising a reinforcement and self-protected by mineral granules.
- Such a system is particularly suitable for industrial roofs made of ribbed sheet steel, which have long posed the most acute problems, but it is equally suitable for very different substrates, for example masonry, aerated concrete, ligno- cellulosic, wooden, aluminum sheet and it can even be applied on old waterproofing coatings to renovate.
- this first sealing layer may not be done immediately during its application, due in particular to unfavorable atmospheric conditions, or for any other reason. It follows that the first sealing layer may not be completely waterproof, in particular at the junctions of the sheets, which is detrimental to the quality of protection of the system.
- This improvement consists in using, in order to constitute the first sealing layer, self-adhesive sealing sheets having at the edge, unilaterally a heat-weldable space, so that the covering edge of each sheet is constituted of two parts, one of which, set back from the edge, is self-adhesive when cold and the other, at the edge, is heat sealable.
- the advantage inherent in this improvement resides in the fact that the self-adhesive part of the covering edge provides sufficient sealing of the first sealing layer as well as effective temporary protection of the polystyrene against the flame. or hot air necessary for the welding of the other part, until the hot welding of the heat-weldable part which guarantees the perfect sealing of the system.
- this sealing system however requires the successive application, on the support to be protected, of expanded polystyrene plates fixed on the support by means of a cold glue, of a first self-sealing layer. - heat-sealable adhesive at the edge and a second sealing layer welded with a torch.
- the present invention aims to propose a system sealing which implements a single sealing layer instead of two successive sealing layers.
- the present invention thus relates to a sealing system which consists in successively applying to the support to be protected expanded polystyrene plates fixed on the support by means of a cold glue, then a self-adhesive heat-sealable sealing sheet border and self-protected on its upper face.
- the present invention also relates to the sealing sheets used to produce the sealing system which constitutes its first object.
- the heat-sealable braid located at the edge of the sealing sheets according to the invention forms part of the covering selvedge, the other part of which is self-adhesive.
- this heat-sealable braid can be covered with a film of a hot-melt synthetic material such as polypropylene or polyethylene.
- the sealing sheet according to the invention may comprise at its upper face, on its non-self-protected edge, and over a width equal to that of the heat-sealable strip, a detachable protective strip intended at be, during installation, facing the heat-sealable braid of the adjacent sheet, so as to prevent spontaneous bonding of said heat-sealable braid before its implementation.
- Such an embodiment is particularly advantageous in the case where the installation of the sealing sheets according to the invention must be carried out under climatic conditions which make this risk run.
- the removable protective tape can be made of silicone paper or silicone polypropylene. It is held in place on the sheet until the heat sealing operation of the heat-sealable strip.
- the sealing sheets according to the invention are preferably made of a material based on oxidized bitumen or on bitumen modified by polymers, reinforced by a reinforcement of organic fibers such as nonwoven polyester fibers.
- the self-protection of the sealing sheets according to the invention can be carried out using mineral granules or a metallic or synthetic film.
- the heat-sealable strip formed at the edge of the sealing sheets according to the invention preferably has a width of 4 to 6 cm, approximately equal to half the width of the overlapping selvedge, which is generally 8 to 12 cm wide.
- the sealing system produced by means of the sealing sheets according to the invention exhibits excellent qualities of insulation and sealing and this by using only one sealing layer. It therefore allows significant savings in resources, both in terms of equipment and in terms of labor.
- the sealing sheet 4 has on its upper face a self-protection 6 consisting of mineral granules.
- This self-protection is interrupted at the end 8 of the sheet over a width (l) equal to that of the covering edge of the sheet 4.
- the sheet 4 has on its underside an adhesive underside 5 extended to the 'other end of the sheet by a heat-sealable strip 7 covered with a hot-melt film 7 ′, so that its covering edge comprises a self-adhesive part 5 ′ and a heat-sealable part constituted by the heat-sealable strip 7 covered with the hot-melt film 7 ′.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Building Environments (AREA)
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88440068T ATE72473T1 (de) | 1988-07-29 | 1988-08-29 | Bauweise zur waermedaemmung und dichtung von daechern und dichtungsschicht zu deren verwendung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8810465A FR2634808B2 (fr) | 1983-10-04 | 1988-07-29 | Systeme pour l'isolation des toitures |
FR8810465 | 1988-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0352394A1 EP0352394A1 (de) | 1990-01-31 |
EP0352394B1 true EP0352394B1 (de) | 1992-02-05 |
Family
ID=9369060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88440068A Expired - Lifetime EP0352394B1 (de) | 1988-07-29 | 1988-08-29 | Bauweise zur Wärmedämmung und Dichtung von Dächern und Dichtungsschicht zu deren Verwendung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0352394B1 (de) |
AT (1) | ATE72473T1 (de) |
DE (1) | DE3868323D1 (de) |
ES (1) | ES2029899T3 (de) |
GR (1) | GR3004496T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024030549A1 (en) * | 2022-08-05 | 2024-02-08 | Bmic Llc | Roofing membrane with selvage edges and associated method and article |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4022338A1 (de) | 1990-04-04 | 1991-10-10 | Kebulin Ges Kettler & Co Kg | Bituminoese schweissbahn fuer verwahrungszwecke von bauten |
DE19937111C1 (de) * | 1999-08-06 | 2001-02-01 | Bauder Paul Gmbh & Co | Verfahren zum Verlegen kaltselbstklebender Bitumenabdichtungsbahnen und Bitumenabdichtungsbahn |
US7101598B2 (en) | 2002-05-22 | 2006-09-05 | Om Nova Solutions Inc. | Self adhering membrane for roofing applications |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4091135A (en) * | 1972-02-19 | 1978-05-23 | Tajima Roofing Co., Ltd. | Laminated bituminous roofing membrane |
JPS5413104B2 (de) * | 1975-03-18 | 1979-05-28 | ||
IT1052809B (it) * | 1975-04-12 | 1981-07-20 | Ruetgerswerke Ag | Struttura portante per coperture di edifici |
US4622252A (en) * | 1982-09-29 | 1986-11-11 | Phillips Petroleum Company | Laminate with plastic film |
JPS6059184A (ja) * | 1983-09-12 | 1985-04-05 | Tajima Le-Fuingu Kk | アスファルト系積層ル−フィングシ−ト |
GB2148346A (en) * | 1983-10-19 | 1985-05-30 | Gen Electric | Built-up roofing comprising silicone-rubber-coated glass fabric |
FR2556391B1 (fr) * | 1983-12-07 | 1988-05-06 | Siplast Sa | Feuilles d'etancheite perfectionnees a base d'un materiau bitumineux et structures pourvues d'un revetement d'etancheite constitue par lesdites feuilles |
EP0156536B1 (de) * | 1984-03-23 | 1990-07-04 | Minnesota Mining And Manufacturing Company | Schweissbare Membran und Übertragungsband zum Gebrauch bei der Herstellung derselben |
EP0178353B1 (de) * | 1984-10-16 | 1988-06-01 | Coal Industry (Patents) Limited | Bedachungen |
-
1988
- 1988-08-29 AT AT88440068T patent/ATE72473T1/de not_active IP Right Cessation
- 1988-08-29 DE DE8888440068T patent/DE3868323D1/de not_active Expired - Lifetime
- 1988-08-29 ES ES198888440068T patent/ES2029899T3/es not_active Expired - Lifetime
- 1988-08-29 EP EP88440068A patent/EP0352394B1/de not_active Expired - Lifetime
-
1992
- 1992-05-05 GR GR920400856T patent/GR3004496T3/el unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024030549A1 (en) * | 2022-08-05 | 2024-02-08 | Bmic Llc | Roofing membrane with selvage edges and associated method and article |
Also Published As
Publication number | Publication date |
---|---|
DE3868323D1 (de) | 1992-03-19 |
ES2029899T3 (es) | 1992-10-01 |
EP0352394A1 (de) | 1990-01-31 |
ATE72473T1 (de) | 1992-02-15 |
GR3004496T3 (de) | 1993-03-31 |
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