74625650
Jan 26, 1995
Mar 25, 1997
reinforced roofing membranes, polyolefin roofing membranes and related products, namely, preformed roofing parts in the nature of corners, moldings, pipe boots, pitch pockets, flashings, walkways, traffic pads and vapor retarders in the nature of semi-permeable roofing membranes
Nonmetallic Building Materials