74267664
Apr 17, 1992
Apr 20, 1993
Active Trademark
waterproof roofing system, comprised of a monolithic, rubberized asphalt membrane; a rubberized asphalt protection sheet; a prefabricated drainage medium; extruded polystyrene foam insulation; concrete paver blocks; adjustable supportive pedestals; and, spacing tabs, all sold as a unit for a paving and roofing system for plazas and roof decks
Nonmetallic Building Materials