Non-metal ventilating ducts; Non-metal window screens; Nonmetal door parts for buildings, namely, adjusters for adjusting the height of a door, floor boards, columns, beams, paneling boards, sills, sleepers, backings for ceilings or walls, stiles, rails and ceiling boards; Interior non-metal window shutters; Non-metal window shutters; Non-metal window frames; Non-metal door frames; Non-metal interior storm windows; Non-metal storm windows; Plastic road studs for marking out roads; PVC railing...