19 building materials, namely, non-metallic concrete drain pipes, gutter pipes, for buildings, concrete slabs, concrete blocks, concrete panels, concrete bricks, cement slabs, cement blocks, floor tiles not of metal, tile floorings, non-metallic; roofing slates, non metal cladding and wall cladding, non-metallic facings for building, supports for railway tracks of wood or concrete; non-metal sea wall fence panels, felt roof coverings, non-metal floating docks for mooring boats, wainscotting; not of metal, wood moldings, non metal fence panels, glass panels, non-metal ceiling panels, non-metal door panels, non-metal wall panels, non-metal expansion joints for floors and walls and wood joints