EP0284500A2 - Wassersperrende Bitumen-Platte und wassersperrende Verkleidung, die damit hergestellt ist - Google Patents

Wassersperrende Bitumen-Platte und wassersperrende Verkleidung, die damit hergestellt ist Download PDF

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Publication number
EP0284500A2
EP0284500A2 EP88400641A EP88400641A EP0284500A2 EP 0284500 A2 EP0284500 A2 EP 0284500A2 EP 88400641 A EP88400641 A EP 88400641A EP 88400641 A EP88400641 A EP 88400641A EP 0284500 A2 EP0284500 A2 EP 0284500A2
Authority
EP
European Patent Office
Prior art keywords
sheet
screen
bituminous
perforations
zone
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
EP88400641A
Other languages
English (en)
French (fr)
Other versions
EP0284500B1 (de
EP0284500A3 (en
Inventor
Henri Desgouilles
Michel Netter
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
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 SMAC SAS filed Critical SMAC SAS
Publication of EP0284500A2 publication Critical patent/EP0284500A2/de
Publication of EP0284500A3 publication Critical patent/EP0284500A3/fr
Application granted granted Critical
Publication of EP0284500B1 publication Critical patent/EP0284500B1/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
    • E04D5/12—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

Definitions

  • the present invention relates to sheets obtained from bituminous compositions and intended to form waterproofing coatings on structures or buildings, in combination with an upper layer of poured asphalt or of another similar hot-pourable material.
  • each layer of such a coating must be waterproof and continuous.
  • the asphalt layer is poured hot on the bituminous sheets and generally does not have any discontinuity.
  • the bottom layer, to be waterproof and continuous, is produced using sheets laid in parallel and in such a way that they partially overlap. The seal is obtained by thermo-adhesiveness of the bituminous product heated by the liquid asphalt poured on the layer.
  • a screen is interposed between the support and the sheets.
  • the screen can be continuous, thus making the sheets independent of the support, or discontinuous, thus causing partial adhesion of the sheets to the support in the screen-less parts.
  • the screen is produced using metallic sheets, sheets of paper, plastic sheets, glass veil or other materials which can be applied separately to the support. We may also incorporate it into the lower surface of the bituminous sheets, either in the abovementioned forms, or in the form of mineral aggregates, such as grains of sand, slate flakes or other equivalent aggregates.
  • the purpose of the present invention is to produce a bituminous sheet with an incorporated screen making it possible to avoid these defects without being obliged, before pouring the asphalt, to close the covers by the usual usual means such as bonding. hot or cold, welding or self-adhesive.
  • the present invention relates to a bituminous waterproofing sheet, usable for producing a coating on a support. waterproof with an asphaltic top layer or the like, comprising a layer formed of a bituminous composition optionally comprising a reinforcement and a screen on the face intended to be in contact with the support, characterized in that it comprises an area comprising perforations along a longitudinal edge and a screenless area extending along the opposite longitudinal edge.
  • the present invention also relates to a waterproofing coating characterized in that it comprises a lower layer disposed on the support to be protected and composed of bituminous sheets as defined above, arranged parallel to each other with partial longitudinal overlap of two adjacent sheets, the perforated area of a sheet being covered by the screen-free area of the adjacent sheet, and an upper layer of asphalt or similar hot-melt material.
  • a bituminous sheet 1 is used, shown in FIG. 1, in view from below, comprising a screen 2 covering the entire surface of the sheet with the exception of a narrow zone 3 extending along a longitudinal edge of the sheet 1.
  • This sheet 1 also has perforations 4 located along from the edge opposite the screen-less zone and which pass right through the bituminous sheet and the screen 2. These perforations 4 are regularly spaced on two lines parallel to the edge of the sheet, their position on these two parallel lines being alternate. Any conventional reinforcement possibly present in sheet 1 has not been shown for the purpose of simplification.
  • the perforations can also be placed randomly if desired, but the efficiency of the system may be reduced.
  • the shape, size and distribution of the perforations will be adapted to the width provided for the overlaps, to the thickness of the sheets, to the viscosity of the bituminous composition of the sheet, to the pouring temperature of the asphalt.
  • Figure 2 shows in section the production of a waterproofing coating according to the invention using two sheets 10 and 11 similar to sheet 1 previously described and arranged in parallel, with partial longitudinal overlap, at the upper surface 12 of a support 13.
  • the lower sheet 10 has a screen 14 and a longitudinal edge 15 in the vicinity of which there are perforations 16 as described above, which pass through the bituminous sheet and the screen.
  • the upper sheet 11 has an end zone 17 without screen which is placed on the upper face of the sheet 10, which establishes a contact between the bituminous masses of the two sheets. This contact is discontinuous due to the relative stiffness of the bituminous sheets and thus leaves pockets of air between them.
  • a layer of molten asphalt 18 or similar hot-pourable product is then poured, which raises the temperature of the bituminous parts of the sheets 10 and 11 in contact and produces a heat seal in the overlap areas.
  • the air included in the air pockets existing between the two sheets in the overlap zone is evacuated through the perforations 16 and passes between the upper face 12 of the support 13 and the screens of the adjacent sheets.
  • the weight of the upper layer 18 makes the pockets disappear and the upper face of the coating is flat and regular.
  • Figure 3 is shown another embodiment of a continuous and waterproof coating according to the invention.
  • a screen 20 incorporated in a sheet 21 is breathable, for example a glass veil, and in this case, only the bituminous part of the sheet 21 is provided with perforations 22, the screen leaving by its nature pass the air evacuated through perforations 22 and not itself requiring to be perforated.
  • sheets according to the present invention is inexpensive, the screen being incorporated during manufacture and the perforations being produced in the workshop with a machine.
  • a bituminous sheet according to the present invention can have the following characteristics: - length 10 m (rolled up) - width 1 m - bandwidth without screen: 0.08 m - hole diameter: 0.01 m - distance from the edge to the first perforation line: 0.03 m - distance from the edge to the second perforation line: 0.05 m - spacing between two perforations on the same line: 0.10 m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Road Paving Structures (AREA)
  • Sealing Material Composition (AREA)
  • Pens And Brushes (AREA)
EP88400641A 1987-03-25 1988-03-17 Wassersperrende Bitumen-Platte und wassersperrende Verkleidung, die damit hergestellt ist Expired - Lifetime EP0284500B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8704159 1987-03-25
FR8704159A FR2612970B1 (fr) 1987-03-25 1987-03-25 Feuille bitumineuse d'etancheite et revetement etanche realise avec celle-ci

Publications (3)

Publication Number Publication Date
EP0284500A2 true EP0284500A2 (de) 1988-09-28
EP0284500A3 EP0284500A3 (en) 1989-06-28
EP0284500B1 EP0284500B1 (de) 1992-06-03

Family

ID=9349420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88400641A Expired - Lifetime EP0284500B1 (de) 1987-03-25 1988-03-17 Wassersperrende Bitumen-Platte und wassersperrende Verkleidung, die damit hergestellt ist

Country Status (5)

Country Link
EP (1) EP0284500B1 (de)
DE (1) DE3871584T2 (de)
DK (1) DK166035C (de)
FR (1) FR2612970B1 (de)
NO (1) NO169853C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2796632A1 (de) * 2013-04-24 2014-10-29 Gebrüder Jaeger GmbH Abdichtungsbahn
US11234698B2 (en) 2019-12-19 2022-02-01 Cilag Gmbh International Stapling system comprising a clamp lockout and a firing lockout

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122747A (en) * 1936-12-31 1938-07-05 Patent & Licensing Corp Roofing felt
US3292334A (en) * 1962-06-05 1966-12-20 Lubrizol Corp Roofing element and roof surface
ZA825189B (en) * 1981-09-02 1983-07-27 Grace W R & Co Overlap adhesion of factory manufactured roofing and waterproofing material
US4567079A (en) * 1984-10-01 1986-01-28 Gaf Corporation High-strength built-up roofing using improved ply sheets
FR2580990B1 (fr) * 1985-04-25 1987-07-17 Smac Acieroid Feuille bitumineuse d'etancheite et revetement etanche en comportant application

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2796632A1 (de) * 2013-04-24 2014-10-29 Gebrüder Jaeger GmbH Abdichtungsbahn
US11234698B2 (en) 2019-12-19 2022-02-01 Cilag Gmbh International Stapling system comprising a clamp lockout and a firing lockout

Also Published As

Publication number Publication date
EP0284500B1 (de) 1992-06-03
DK166035C (da) 1993-07-12
DE3871584T2 (de) 1992-12-03
NO169853B (no) 1992-05-04
NO881318L (no) 1988-09-26
NO881318D0 (no) 1988-03-24
DK168688D0 (da) 1988-03-25
DK166035B (da) 1993-03-01
NO169853C (no) 1992-08-12
DK168688A (da) 1988-09-26
FR2612970A1 (fr) 1988-09-30
EP0284500A3 (en) 1989-06-28
FR2612970B1 (fr) 1989-07-21
DE3871584D1 (de) 1992-07-09

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