DAP Butyl-Flex Gutter and Flashing Sealant is a long-lasting sealant formulated from high quality butyl rubber. It forms a watertight seal against air and moisture and remains flexible to resist cracking and crumbling due to temperature extremes， weathering or shock. No painting required.
Paintable
Waterproof/weatherproof
Durable and flexible
Guns easily
Meets ASTM C-1311
Meets ASTM Spec. C-1085
Cures with minimal shrinkage
Dries tack free in 12 - 24 hours
Low heat and electrical conductivity
Non-staining
Will not craze or harm most plastic materials
Comment