19 Non-metal building materials, namely, siding wall and roof sheathing, flooring panels, soffits, fascia, and trim made primarily of wood, lumber and plywood treated with chemicals that resist insects and rot; non-metal building products, namely, underlayment, sheathing, paneling, flooring, siding, doors, doorjambs, door casings, doorskins, trim, fascia, soffits, tileboards, beams, joists, decking, concrete form boards, scaffold planks, oriented strand board, lumber, plywood, particle board, medium density fiberboard, hardboard, hardwood veneer, laminated veneer lumber, composite wood products, engineered wood products; decorative building accents made of a polymeric material, namely, panels, trim, exterior gable louvers, exterior and interior moulding; dentils, dentil blocks, shutters, exterior mounting blocks, and gables