Description: Hydroment® Black-Top 90210™ is a liquid rubber-based, fabric reinforced, cold roller applied, flexible waterproofing and anti-fracture membrane. Use Black-Top 90210 as a waterproofing and/or anti-fracture membrane over properly prepared concrete; structurally-sound, exterior grade plywood (interior/dry use only); cementitious backer board; and existing, well-bonded ceramic tile or cement terrazzo prior to the installation of ceramic or stone tile.Information provided by Bostik |