Method of making a roofing membrane

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article

Patent

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Details

427299, 427443, 28158, B32B 3104

Patent

active

055694306

ABSTRACT:
A method of making a roofing membrane having a reinforcing fabric saturated with a bituminous material. The reinforcing fabric comprises a first fiberglass scrim layer to which is stitched a non-woven polyester mat.

REFERENCES:
patent: 4780350 (1988-10-01), O'Connor et al.

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