Patent ID: 9103123
Filing Date: 2015-08-11
Classification: B32B,E04D,Y10T

Abstract:
1. A composite material roof system comprising, in combination, a membrane comprised of ketone ethylene ester (KEE) reinforced with a 5.0 oz./yd2 knitted polyester fabric and heat-bonded 4 oz. polyester backing, the membrane meeting all requirements of ASTM D 6754, a plurality of ribs attached to a surface of the membrane, the ribs formed of a polymeric material and having a cross-section configuration which includes a planar bottom with a planar bottom attachment surface and a body portion which extends generally perpendicular from the planar bottom, the body portion having a width dimension which is less than a width dimension of the planar bottom attachment surface, and a hot melt adhesive on the planar bottom attachment surface of the ribs and bonded to the ketone ethylene ester (KEE) material of the membrane.