Patent ID: 6872434

Claim:
A product to form a substitute product for lumber comprising first and second elongated molded plastic members adapted to be secured together to provide on securement transverse their length the external rectangular shape and dimensions of the lumber, selected from one of 2×4, a 2×6, or a 2×8, 2×10 or a 2×12, for which said product is to be a substitute, means securing said members together to form said product, said plastic members being molded to provide a longitudinal internal channel adjacent each edge of said product extending transversely of the thickness of the product and to provide spaced parallel side walls extending between said edge channels, each said side wall having a thickness of the order of ⅓ the thickness of said product, said side walls having projecting legs that extend across the space between said side walls to abut the wall opposite to the one from which they extend with the legs from opposite walls overlapping each other, and an elongated reinforcing member mounted in each of said channels.