Black-Top™
Waterproofing and Anti-Fracture Membrane
Product overview
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.
Geographic availability
- Canada
- United States
Available sizes
5 gallon pail
Smart Advantages
Roller applied
Exceeds ANSI A118.10 and 118.12
Exceeds ASTM C-386-89
Next events

Bostik Academy
Flooring Surface Prep & Adhesives
Flooring Surface Prep & Adhesives
September 24 - 25, 2025
Bostik Academy - Temecula
27430 Bostik Ct.
Temecula, CA 92590
27430 Bostik Ct.
Temecula, CA 92590
Presented by Bostik, learn about our innovative surface prep, tiling, hardwood and resilient ...

Bostik Academy
Flooring Surface Prep & Adhesives
Flooring Surface Prep & Adhesives
August 20 - 21, 2025
Bostik Academy - Temecula
27430 Bostik Ct.
Temecula, CA 92590
27430 Bostik Ct.
Temecula, CA 92590
Presented by Bostik, learn about our innovative surface prep, tiling, hardwood and resilient ...

Bostik Academy
Flooring Surface Prep & Adhesives
Flooring Surface Prep & Adhesives
July 16 - 17, 2025
Bostik Academy - Temecula
27430 Bostik Ct.
Temecula, CA 92590
27430 Bostik Ct.
Temecula, CA 92590
Presented by Bostik, learn about our innovative surface prep, tiling, hardwood and resilient ...
Related market & applications


Waterproofing
- Priming