Masonry blocks; composite panels of non-metallic materials for use in building; pallet racks, not of metal; portable pallet racks, not of metal; acoustic panels not of metal; building panels, not of metal; door panels, not of metal; fire resistant panels, not of metal, for building; floor panels made of non-metallic materials; floor panels, not of metal; non-metal ceiling panels; non-metal door panels; non-metal fence panels; non-metal fencing panels; non-metal floor panels; non-metal roofing panels; non-metal subfloor panels; non-metallic acoustic panels; non-metallic flooring panels; non-metallic subfloor panels; roofing panels, not of metal; subfloor panels not of metal; subfloor panels, not of metal; wall panels, not of metal; building materials, not of metal