Description: Bostik® Ultra-Set® Advanced is a tenacious, one- part, trowel applied, elastomeric waterproofing/ crack/sound isolation membrane and setting adhesive. Use Ultra-Set Advanced as a waterproofing, crack, and sound isolation membrane over properly prepared concrete; structurally-sound, exterior grade plywood (interior/dry use only); cementitious backer board; and existing, well-bonded vinyl/VCT or ceramic tile; prior to the installation of ceramic or stone tile. Ultra-Set Advanced may be used with gypsum based underlayments in dry, above grade installations with minimum compressive strengths of 2,000 psi. Follow applicable TCNA specifications for installation of tile over poured gypsum underlayments. Use Ultra-Set Advanced as a setting adhesive for ceramic or stone tiles over properly prepared concrete; structurally- sound, exterior grade plywood (interior/dry use only); cementitious backer board and existing, well-bonded vinyl/VCT or ceramic tile.Information provided by Bostik |