TOPCOAT® FlexSeal & FlexSeal LV
TOPCOAT® FlexSeal is a white solvent-basedsynthetic elastomeric sealant designed to line and waterproof interior and exterior gutters on many buildings. FlexSeal is extremely flexible and durable. Like all solvent-based products, the surface must be completely free of moisture before application. A low viscosity version of FlexSeal (FlexSeal LV) is available for use in confined areas.
FlexSeal is designed for use on metal, concrete, wood, copper, SBS, APP, EPDM and BUR substrates. For use on all areas of roof substrates, including gutters and detail areas. Can be used for cold weather application. This product is easiest to apply at temperatures above 42°F. Substrate temperatures must be below 120°F when applying product.
For application questions, please contact GAFMC Contractor Services at
ASTM D-412, ASTM D-21-96, ASTM D-1475, and ASTM E-1644
All documents are U.S. English unless otherwise noted