Products / WeatherBond X-Tenda Coat Acrylic Mastic

A white, brush-grade elastomeric acrylic patching compound of water-based acrylic resins and mineral fibers, used to repair cracks, breaks, tears and holes before an acrylic reflective coating is applied. It is applied 1/8 to 1/4 inch thick by brush, trowel or putty knife, can go over cured roof cement, and is applied to dry or damp surfaces. The bulletin says it meets or exceeds ASTM C920, Class 25.