Non-metal structural building products, namely, trusses, wall panels, windows, doors, stairs, stair risers, wood trim, engineered floor joists, engineered wood products, flooring, millwork and synboard; building materials, namely, lumber framing kits for houses and buildings comprised of pre-cut wood and engineered lumber; house-framing kits containing of lumber; structural wood products, namely, structural open framework header assemblies; non-metal floor and roof trusses and joists; structural wood products, namely, beams, headers, columns, trusses and joists; polyethylene board material used as a wood substitute