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. Meets ASTM Spec. C-1085.

Features & Benefits

• Multi-material adhesion
• Waterproof & weatherproof seal
• Exterior/interior use