Patent ID: 9079380
Filing Date: 2015-07-14
Classification: B32B,E04B,E04F,E06B,Y10T

Abstract:
1. A trim piece for use with lapboard siding comprising: a main body made from a mixture of cellulose fiber and thermoplastic resin; and a polyvinyl chloride (PVC) resin component including at least one standoff and at least one attachment fin, wherein said polyvinyl chloride resin component and said main body are molecularly fused by heat in a co-extrusion process; wherein a heat-fused interface between the main body and said PVC resin component provides molecular bonding between said PVC resin component and the main body, as well as mechanical attachment of said PVC resin component to the main body via PVC ribs of generally triangular cross section, which project from said PVC resin component, and are embedded within the main body.