Roofing materials, not of metal, namely, PVC roofing eaves, PVC roof vent covers in the nature of ventilation grilles for HVAC ducts, PVC ridge shingles, roofing not of metal, namely, PVC ridge brushes in the nature of ventilated ridge cap, PVC ventilation chimneys, roof coverings not of metal in the nature of roofing strips, PVC skylights, roofing membranes in the nature of roofing foil of plastic, non-metal building flashing in the nature of building foil, non-metal hips for roofing, roofin...