B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 13/02 (2006.01) B32B 27/04 (2006.01) B32B 27/12 (2006.01) E04C 2/40 (2006.01) F16L 58/06 (2006.01) F16L 58/10 (2006.01)
Patent
CA 2143121
A flexible protective and waterproofing membrane (10) includes a flexible polymeric sheet (14) having an open-textured surface on each of its opposite faces defining interconnected internal voids open to the atmosphere and capable of being impreg- nated by a cementitious bonding material. In the described preferred embodiments, each of the open-textured surfaces is a fi- brous surface layer (15, 16), and wherein at least one of the fibrous surface layers is pre-impregnated with a cementitious bonding material based on Portland or other water hardenable cement (17) which is substantially in a non-hydrated condition.
Barish Benjamin J.
Te'eni Moshe
Kirby Eades Gale Baker
Te'eni Moshe
LandOfFree
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