Building materials, namely, lumber, panels, millwork, boards, cladding, planks, siding, posts, beams, poles, columns, rail ties, blocks, and landscape timbers; Building materials not of metal, namely, wood and wood derivatives and modified wood, namely, thermally treated lumber, pressure treated wood, chemically modified wood, and fire retardant treated woods; Non-metallic building materials, namely, finished wood products; Wood siding; Wood decking boards; Wood flooring; Wooden fencing; Wood...