19 Building materials, namely, composite panels composed primarily of nonmetal materials; Construction materials, namely, composite panels consisting of a rigid expanded polystyrene core bonded to an outer skin of MDF (medium-density fiberboard) wood sheet; Non-metal ceiling panels; Non-metal decorative moldings and decorative trim for use in building construction; Non-metal suspended ceiling systems comprising panels; Non-metal tiles for walls, floors or ceilings; Nonmetal ornamental subceiling panel units; Plastic reinforced wall panels for use as sound and light barriers; Playground tiles; Sports surfaces, namely, running tracks and playing fields made of polyurethane; Synthetic, non-metal surfaces for playgrounds, sports terrains and play areas; Wainscoting, not of metal; Wall boards; Wall panels not of metal