Patent ID: 8122664
Filing Date: 2012-02-28
Classification: B32B,E04D

Abstract:
1. A flexible insulating and waterproofing membrane comprising a thin pliable sheet of material for use on roofs and other surfaces and adapted for over-lying attachment to a structure surface or foam insulating layer of material mounted on a structure surface; the flexible insulating and waterproofing membrane comprising: a first layer of a thermoplastic or thermoset flexible foam material for over-lying attachment to the structure surface or the foam insulating layer of material mounted on the structure surface; a second layer of a fabric material affixed to and over-lying the first layer; and a third layer of a waterproof outer skin affixed to and over-lying the second layer; wherein said second layer of fabric material is provided with a barrier composite, and is of hollow fiber construction, and wherein said third layer is provided with a selvedge portion extending beyond edges of said first and second layers for overlying a top portion of an adjacent membrane, the selvedge structure comprising an integral extension of said third layer beyond edges of said first and second layers; and wherein said sheet of material is 15-30 mm in thickness.