Elastic roofing and sealing materials

Details Elastic roofing and sealing materials Elastic roofing and sealing materials

1985-05-20

1987-12-22

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428284, 428288, 428289, 428291, 428341, 428485, B32B 2702

Patent

active

047146516

ABSTRACT:
High-strength elastic roofing and sealing material consisting of at least one bonded fabric layer of organic material, optionally at least one further bonded fabric or bonded-fabric material layer of inorganic material, and a coating of bitumen on both sides, where the bonded fabric layer(s) is (are) impregnated with the bitumen, and where the bonded fabric of organic material has a certain area weight and a certain residual deformation after previous elongation. The bitumen coating optionally can be made elastic by the addition of modifiers with sufficiently low glass conversion points.

REFERENCES:
patent: 4055453 (1977-10-01), Tajima et al.
patent: 4417931 (1983-11-01), Li

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