Bostik Black-Top™ is a liquid, rubber-based, fabric-reinforced, roller-applied, flexible waterproofing and anti-fracture membrane. Use Black-Top™ 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.
Features of Bostik Black-Top™
Roller applied
Exceeds ANSI 10 and 118.12
Exceeds ASTM C-836-89
Application of Bostik Black-Top™
Bostik Black-Top™ is as a Waterproofing Membrane: Pre-treat all cracks (1/8″ or less), by applying a double application of fabric and liquid. See Antifracture/Crack Suppression Membrane instructions below for additional information.
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