Inorganic fiber mat based bituminous sheet materials

Details Inorganic fiber mat based bituminous sheet materials Inorganic fiber mat based bituminous sheet materials

1983-08-05

1989-10-03

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428150, 428224, 428284, 428291, 428489, B32B 900

Patent

active

048716057

ABSTRACT:
An improved inorganic fiber based roofing shingle for use in both high and low temperature environments is prepared by pre-coating an inorganic fibrous substrate with a polymer/bitumen composition prior to the application of a conventional asphalt or bitumen top coat, wherein the polymer content of the bitumen/polymer pre-coat composition ranges from about 3 to 99% by weight.

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