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US 4,783,942 AGranted
Composite roof deck assembly with polymeric membrane adhered to fiberglass mat
AssigneeLoadmaster Systems, Inc.
InventorsC. Lynn Nunley, Joe W. Tomaselli
Life of this patent
Estimating the term…
Abstract
A composite roof/roof deck assembly and method of installation wherein a roof covering of polymeric sheet material is adhered to an underlying gypsum board roof substrate with a water based polymeric adhesive. The gypsum board has a porous fibrous glass matte facing to enhance bonding between the water-based adhesive and the gypsum board.
Claims22
A composite roof deck assembly comprising:
- purlins;
- corrugated material;
- means securing said corrugated material to said purlins;
- a substantially rigid porous substrate layer having a facing of fibrous matte material;
- mechanical fasteners securing said layer to said corrugated material;
- a substantially continuous polymeric sheet disposed over said substrate layer;
- and a water based, polymeric adhesive disposed between said substrate layer and said polymeric sheet to join said substrate layer to said sheet.
4 more elements
A composite roof/roof deck assembly comprising:
- corrugated steel;
- purlins;
- means securing said corrugated steel to said purlins;
- mineral board overlying said corrugated steel and connected thereto by fasteners extending through said mineral board and said corrugated steel;
- a fiberglass matte on said mineral board to provide porous textured face surfaces on said mineral board;
- water based polymeric adhesive overlying said mineral board, and a polymeric sheet overlying said water based polymeric adhesive.
3 more elements
A composite roof deck assembly comprising:
- spaced purlins;
- a rigid deck spanning said purlins;
- means securing said deck to said purlins;
- mineral board overlying said deck;
- fastener means extending through said mineral board and into said deck securing said mineral board to said deck;
- a fiberglass matte on the upper surface of said mineral board to provide a porous textured face surface on said mineral board;
- water based polymeric adhesive overlying said fiberglass matte;
- and a polymeric sheet overlying said water based polymeric adhesive.
5 more elements
Dependencies are inferred from the claim text.