BITUTHENE® 3000 is a self-adhesive, rubberised asphalt/polyethylene waterproofing membrane for basements, and other subterranean applications. GCP BITUTHENE 3000 membrane combine a robust, flexible, high performance, cross laminated, HDPE carrier film with a tacky, self-adhesive rubberized asphalt compound specifically designed to adhere to cured concrete surfaces.