Patent ID: 6161353
Filing Date: 2000-12-19
Classification: E04C,E04F,Y10T

Abstract:
A rigid thermoplastic board suitable for use as an underlayment or backerboard for the installation of ceramic tile on a floor, wall, ceiling or counter tops, said board comprising(a) a rigid, flat rectangular panel formed of compression molded thermoplastic material, molded at a clamping pressure of at least 20,000 psi,(b) said panel having upper and lower principal surfaces and having embossments covering the entirety of both of said principal surfaces to provide increased surface area for the anchoring of adhesives,(c) said upper principal surface being adapted for the reception of tiles and said lower principal surface being adapted for mounting on a support surface,(d) the embossment on one of said surfaces being of rectilinear configuration to facilitate cutting of a panel to a smaller rectangular size.