Building and construction materials and elements, not of metal, namely, non-metal decking, non-metal floor coverings, non-metal wall coverings, non-metal ceiling coverings, floors, floor parts in the nature of wooden floor tiles, non-metal movable floors, non-metal subfloor panels, non-metal panels for covering floors, walls, and ceilings, and non-metal connection systems and connection materials, namely, braces, expansion joints, and rigid structural joint connectors for use in flooring, wal...