E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
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D
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E02D 27/32 (2006.01) B32B 7/02 (2006.01) B32B 11/04 (2006.01) E02D 31/02 (2006.01) E04C 2/284 (2006.01) E04D 3/35 (2006.01) E04D 13/16 (2006.01)
Patent
CA 1229993
CONSTRUCTION BARRIER BOARD Abstract A preformed sheet-like barrier formed from a cellular porous board structure having an adhesive bituminous sheet integrally adhered to one major surface of the structure and having a removable coating substantially coextensive and congruent with the free surface of the bituminous sheet. The structure may further have a woven or nonwoven fibrous coating covering the second major surface of the porous structure; said second major surface of the porous board may have spaced continuous open channels therein.
433024
Gowling Lafleur Henderson Llp
Grace (w.r.) & Co.
LandOfFree
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