B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/138
B32B 11/04 (2006.01) E04B 1/66 (2006.01)
Patent
CA 1191776
ABSTRACT An improved pre-formed, sheet-like flexible laminate suitable for waterproofing of structural surfaces, the sheet-like material having a laminate structure of (a) a flexible waterproof and waterproofing bituminous membrane and (b) a support sheet material covering at least one major surface of the bituminous membrane; an oil-impermeable polymeric coating being provided between said support sheet material and the adjacent surface of the bituminous membrane to protect the support sheet from adverse effects of oil present in the bituminous membrane.
409812
Smart & Biggar
W.r. Grace & Co.,-Conn.
LandOfFree
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