19 Non-metal flooring systems comprised of wall bases and moldings made of wood, carpet edge guards made of wood, tub moldings made of wood, non-metal thresholds, non-metal stair nosings, stair treads, vent-coves, non-metal matting and flooring; baseboard moldings of rubber and plastic; non-metal flooring, namely, fire resistant floor tiles, fire-resistant stair treads, fire-resistant risers, fire-resistant stringers, fire-resistant wall bases, fire-resistant rubber floor sheeting, photoluminescent stair nosings; non-metal building materials, namely, photoluminescent floor tiles, photoluminescent inserts for round raised disk rubber tiles, and photoluminescent plastic corner guards; non-metallic parts of flooring systems, namely, wall bases, outside corners, and parts of wall systems, namely, wall bases, for passing air between the part and the wall