Bituminous roof covering material

Details Bituminous roof covering material Bituminous roof covering material

B - Operations, Transporting

32

B

154/126.2

B32B 3/10 (2006.01) B32B 15/08 (2006.01) E04D 5/12 (2006.01)

Patent

CA 1317537

TITLE: A bituminous roof covering material Abstract of the disclosure A bituminous roof covering material, particularly suitable for use as first layer in a multilayer roof covering system which is applied while adding heat. The material comprises a carrier provided on both sides with a bituminous layer and with a layer formed by a perforated metal foil. According to the invention, the carrier and the bituminous layers applied thereto on both sides are closed layers without perforations, and the bituminous layer interposed between the perforated layer and the carrier consists of adhesion-active bituminous material.

600875

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