Classification Information
Beams not of metal; Cement mixes; Concrete; Gazebos not primarily of metal; Lumber; Non-metal decking; Non-metal doors; Non-metal roofing; Non-metal windows; Roofing fabrics; Wood moldings
Nonmetallic Building MaterialsBeams not of metal; Cement mixes; Concrete; Gazebos not primarily of metal; Lumber; Non-metal decking; Non-metal doors; Non-metal roofing; Non-metal windows; Roofing fabrics; Wood moldings
Nonmetallic Building Materials