19 [ Prefabricated non-metal buildings; portable non-metal buildings; wood mouldings and borders; non-metal windows and doors and replacement parts therefor; non-metal window frames, window casings, door frames, door casings; non-metal louver window frames; window glass; insulated glass; ] building materials, namely, non-metal floors, non-metal floors of laminates, non-metal floor tiles, [ non-metal wall tiles, non-metal ceiling tiles, ] non-metal floor boards, [ non-metal wall boards, non-metal ceiling boards, ] non-metal floor panels, [ non-metal wall panels, non-metal ceiling panels, ] floor, [ wall and ceiling ] paneling materials of [ wood, ] laminates, [ wood substitutes, plastics or other materials, not of metal, ] equipped with integrated arrest elements, non-metal expansion joints for floors, [ walls and ceilings, ] flooring underlayments, [ non-metal louver doors; wooden flooring; building materials, namely, edge coverings, not of metal; non-metal exterior blinds, non-metal jalousies ]