DAP BUTYL-FLEX Gutter and Flashing Sealant is a long-lasting sealant formulated from high quality butyl rubber. Forms a watertight seal against air and moisture. Remains flexible to resist cracking and crumbling due to temperature extremes, weathering or shock. No painting required.
Butyl rubber formula provides a durable, flexible, watertight seal for gutters, drainspouts, lap joints, flashings, roof vents, aluminum siding, and other metal joints. Stands up to weather and temperature extremes. Meets ASTM Spec. C 1085.
- Multi-material adhesion
- Waterproof & weatherproof seal
- Exterior/interior use
