Plastic floor panels; Non-metal floor panels; Wall panels not of metal; Door panels, not of metal; Ceiling panels, not of metal; Non-metal building panels incorporating acoustic insulation; Building materials, namely, composite panels composed primarily of nonmetal materials; Fire doors, not of metal; Non-metal architectural moldings and finish trim; Non-metal ventilation windows; Non-metal access doors and panels to provide access to specific pieces of equipment or confined spaces; Corner guards and end wall protectors not primarily of metal; Non-metal fire-rated access doors; Recessed non-metal access panels; Concealed non-metal access panels