19 BUILDING MATERIALS, NAMELY, WOOD MOLDING, MILLWORK EXCLUSIVE OF CABINETS, LUMBER, RAILS MADE FROM POLYETHYLENE PLASTIC; PLASTIC EXTERIOR TRIM AND DECKING SYSTEM COMPRISING INTERLOCKING MITERED OR JOINED EXTERIOR SIDING, DOOR AND WINDOW TRIM, DECK BOARDS, BOX COLUMNS, RAILS, PANELS, POSTS, FLOORING, BEAM AND JOISTS