DAP Extreme Stretch Sealant is an ideal product for sealing a wide variety of interior and exterior surfaces. The high performing acrylic urethane formula is specially formulated to stretch over 600%, ensuring the seal does not crack or lose adhesion once applied. This makes it perfect for most sealing projects around the home, from windows and doors to trim, siding, gutters, flashing, sinks and countertops. The extreme stretch helps it conform to any gaps and irregularities, delivering lasting protection to keep drafts, leaks and damage out for years to come.