WESTLAKE CHEMICAL

Non-metallic pipes and tube fittings, namely valves and couplings and joints that are made of polyvinylchloride

Non-metal building materials, namely non-metallic rigid pipes for building, asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; building materials of plastic materials, namely, doors, gates, window profiles, fences, decking, fixed and floating docks, portable piers which extend from a shoreline out over water, floating platforms, railing for decks, docks, piers, and steps, steps for building, wall panels and sidings for building, not of metal; non-metallic membranes for use in roofing and underground building structures and applications, namely, PVC membranes; non-metallic rigid pipes and tubes for construction and building that are made of polyvinylchloride