Roofing-material

Details Roofing-material Roofing-material

1984-08-20

1986-01-21

Thomas, Alexander S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428194, 428214, 428489, 428285, 156337, B32B 324

Patent

active

045657246

ABSTRACT:
The invention relates to a roofing-material provided with perforations and comprising a bituminized carrier with a non-sticking lower surface and destined for being applied on a substratum and for being covered by an upper layer, which may contain a carrier which is bituminized with modified bitumen, and which may be applied by means of a torch.
According to the invention the carrier of the roofing-material is bituminized with modified bitumen, and the perforations are so large that the upper layer can be directly applied on the roofing-material by means of a torch and can be adhered to the substratum via the perforations.

REFERENCES:
patent: 4368228 (1983-01-01), Gorgati
patent: 4421807 (1983-12-01), Clausing et al.

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