[ Building materials, not of metal, namely, plastic pipe supports, composite panels composed primarily of nonmetal materials, non-metal countertops for further installation, fascia, soffits, reinforcing materials not of metal for building purposes; inflexible tubes, not of metal, for the building industry, namely, filtering tubes used to prevent storm water runoff pollutants from entering sewer systems; movable constructions, not of metal, namely, portable stages, portable non-metal buildings...