E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 1/14 (2006.01) E04D 1/26 (2006.01) E04D 5/10 (2006.01)
Patent
CA 2094328
ABSTRACT OF THE DISCLOSURE A roofing shingle. The shingle includes first, second, and third substrates. The first substrate includes a woven polyester mat, treated to make it fire-resistant and to keep it from stretching, embedded in an asphalt lamina.
American Heartland Roofing Products Inc.
French David J.
Hulett John K.
LandOfFree
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