Patent ID: 7887900
Filing Date: 2011-02-15
Classification: B32B,E04D,Y10T

Abstract:
1. A waterproofing roofing membrane, said membrane fabricated from one or more layers of flexible sheet material including a carrier sheet comprising a breathable, woven or non-woven fibrous material having a top surface and a bottom surface and a plurality of spaced-apart, discontinuous, raised polymer elements made from a plasticized polyvinyl chloride deposited in a skid resistant pattern into said carrier sheet with said polyvinyl chloride thereafter curing around individual fibers thereof and thereby becoming mechanically affixed into said carrier sheet, wherein said polymer elements have a tensile modulus of <15 MPa (ASTM D638, 23C, 50 mm/min), a tensile yield Elongation of >50% (ASTM D638, 23C, 50 mm/min), and a Shore A Hardness of <90 (ASTM D2240, 23C, 0 sec).