Roofing membrane comprising fiberglass scrim stitched to a polye

Stock material or miscellaneous articles – Structurally defined web or sheet – Including stitching and discrete fastener – coating or bond

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Details

422285, 422287, 422291, B32B 306

Patent

active

054748380

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

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patent: 5194320 (1993-03-01), Groshens

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