19 (Based on Use) Construction materials, namely, non-metal flooring materials; Construction materials, namely, non-metal materials for constructing floors; Flooring underlayments; Waterproof membrane for use as a floor underlayment (Based on Intent to Use) Flooring underlayment made of cork; Wooden building materials, namely, boards; Board material made of polyethelene used as a wood substitute; Construction materials in the nature of non-metal composite panels composed primarily of polystyrene; Construction materials, namely, composite panels consisting of a rigid expanded polystyrene core bonded to an outer skin of MDF (medium-density fiberboard) wood sheet; Fabric for underlayment of flooring; Polyethelene board material used as a wood substitute; PVC roofing membrane; Roofing membranes; Roofing underlayment; Waterproofing membranes for roofing, floors and walls