Coal tar impregnated reinforcement sheets

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coated or impregnated synthetic organic fiber fabric

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Details

442172, 442180, 442258, 442282, 442320, 442324, B32B 2704, B32B 2728, B32B 1104, B32B 1110, D04M 108

Patent

active

061272922

ABSTRACT:
In one embodiment, this invention relates to a bitumen-based built-up roofing system comprising a structural deck covered with a membrane comprising;

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Kenneth Brzozowski; Asphalt vs. Coal Tar; Contractors Guide, Jul. 1990, pp. 26-28, 30, 34, 36, 37.

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