19 Building materials, namely, composite panels composed primarily of nonmetal materials; Building panels, not of metal; Concrete building materials, namely, blocks, posts, panels; Construction materials, namely, non-metal flooring materials; Door frames, not of metal; Framework for building, not of metal; Glass for building; Non-metal facade panels for construction purposes; Non-metal partitions for building; Reinforced glass for building; Reinforcing materials, not of metal, for building; Window frames, not of metal; Window panes for buildings; Wooden building materials, namely, boards, decking, railings