Patent ID: 7823355

Claim:
A nonmetallic masonry flashing for use in a cavity of a cavity wall, said cavity wall having an inner wythe of masonry block and an outer wythe, said nonmetallic masonry flashing comprising, in combination: a high-strength polymeric membrane, having two major surfaces, said membrane, in turn, comprising: three laminae, each coextensive with one another, and securely attached to one another with a preformed polymeric web interposed between two outer polymeric webs, said preformed polymeric web is a monoaxially oriented plastic film and, upon lamination between said two outer polymeric webs, has the direction of orientation thereof substantially at 90° to the direction of orientation of said two outer polymeric webs; an adhesive layer disposed on one of said major surfaces of said membrane; and, a release sheet disposed on said adhesive layer, said release sheet being removable prior to mounting said masonry flashing in said cavity of said cavity wall.