Patent ID: 6745535
Filing Date: 2004-06-08
Classification: B32B,E04B,E04F,Y10T

Abstract:
A sheathing adapted to be fastened to at least one wall supporting structure, comprising at least three layers:(a) a first layer comprising a polymeric foam layer, wherein said polymeric foam is polystyrenic foam; (b) a second layer comprising a polymeric cross-woven scrim, said second layer having means for reinforcing its periphery so as to inhibit failure of said scrim, wherein said polymeric scrim is a woven polypropylene scrim; (c) a third layer comprising an impact polystyrene; (d) a fourth layer comprising an impact polystyrene; (e) a first adhesive; (f) fifth layer comprising a polypropylene layer; and (g) a second adhesive; said third layer is located between said first and said second layers, said fourth layer is located adjacent to said first layer, said first layer is located between said third and said fourth layers, said first adhesive is located between said second and said third layers, said fourth layer is located between said second adhesive and said first layer, and said second adhesive is located between said fourth layer and said fifth layer.