17 Plastic acoustical panels for commercial buildings, residential use; Non-metal decks, namely, polymer boards having the appearance of wood for use as deck boards for commercial buildings, residential use; Sound absorbing flooring underlayment of plastic; Building insulation, namely, air and moisture insulation for commercial buildings, residential use; soundproofing materials for buildings and structures; Semi-finished plastic sheet materials for use in lighting panels; Polymer sheeting, namely, plastic sheeting for use as drop cloths, construction industry as a vapor barrier; Automotive interior components of plastic, namely, acoustic and thermal insulation; and all of the foregoing made in whole or significant part of plastic