75823527
Oct 15, 1999
Mar 11, 2003
waterproofing materials for building and civil engineering surfaces, namely, waterproofing membranes, roofing underlayments, bituminous or synthetic polymer based roof and deck coatings, and bituminous or synthetic polymer based roof and deck sealants, and surface conditioners for facilitating installation of any of the foregoing
Nonmetallic Building Materials