Balsa wood; Construction materials in the nature of non-metal composite panels composed primarily of Timbers; Construction materials in the nature of non-metal composite panels composed primarily of Unglued Blocks; Construction materials in the nature of non-metal composite panels composed primarily of Glued Blocks; Construction materials in the nature of non-metal composite panels composed primarily of Sheets; Construction materials in the nature of non-metal composite panels composed primarily of automotive construction; Construction materials in the nature of non-metal composite panels composed primarily of wind mills; Construction materials in the nature of non-metal composite panels composed primarily of Acoustic panels; Construction materials, namely, composite panels consisting of a rigid expanded polystyrene core bonded to an outer skin of MDF (medium-density fiberboard) wood sheet
Nonmetallic Building Materials