DAP Butyl-Flex 10.1 oz. Aluminum Gray Gutter and Flashing Sealant (12-Pack)

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.