78897812
Jun 1, 2006
Sep 25, 2007
Roof systems comprising roofing membranes, and related accessory items necessary for the completion and installation of the roof system, namely, polymeric membranes, non-metal fasteners, non-metal roofing flashing, and roofing sealants; and walkway rolls, namely, polymeric walkways for use on roofs, sold in roll form
Nonmetallic Building Materials