Patent ID: 6764260
Filing Date: 2004-07-20
Classification: E04D,Y10S

Abstract:
A two-piece fastener assembly for securing two thermoplastic roof membranes to an underlying roof deck comprising:a batten bar of elongated rectangular configuration comprising: an elongated rectangular metal substrate defined by a top surface and a bottom surface; a thermoplastic layer covering said top surface of said elongated rectangular metal substrate; a plurality of openings spaced from each other in said batten bar; and a plurality of fasteners positioned in the plurality of openings in said batten bar, wherein:the head portions of said plurality of fasteners are substantially in the horizontal plane of a first thermoplastic roof membrane covering an underlying roof deck upon securing said batten bar over a marginal portion of said first thermoplastic roof membrane to said roof deck; and wherein:a second thermoplastic roof membrane overlaps said batten bar and said marginal portion of said first thermoplastic roof membrane for fusing said second thermoplastic roof membrane to said batten bar and said first thermoplastic roof membrane by application of heat and pressure thereto.