Tile products not of metal, namely, porcelain tile, ceramic tile, glass tile, stone tile, cement tile, quartz tile, natural stone tile; gauged porcelain panels for flooring and roofing; porcelain countertops for further installation; quartz countertops for further installation; quartz Tech panels for flooring and roofing; non-metal backsplash tile; tile and countertop setting materials in the nature of grout, mortar for building, sealer coatings sold as an integral component of non-metal tile...