AWS

waterproofing seal devices, and parts therefor; namely, injection hoses which are placed in concrete joints to serve as a means for injecting sealants or grouts into the joints; swelling gasket profiles for scheduled installation in cold and construction joints in new buildings; sealing plastics and gels for sealing joints, cracks, and crevices; water reactive, flexible polyurethane foam sealants which expand up to a multiple volume after contact