Stair treads not of metal; Concrete stair treads; Floor patching materials, namely, concrete sealers; Floor tiles of wood; Floor tiles, not of metal; Flooring underlayments; Floors, not of metal; Athletic flooring; Bamboo flooring; Ceramic tiles for flooring and facing; Ceramic tiles for flooring and lining; Ceramic tiles for tile floors and coverings; Engineered hardwood flooring; Fabric for underlayment of flooring; Hard wood flooring; Hardwood flooring; Hardwood decking and flooring; Lamin...