DAP Extreme Stretch Acrylic Urethane sealant is a versatile, premium elastomeric waterproof sealant ideal for sealing a wide range of interior and exterior applications. Designed for speed and precision, the compact 2.8 ounce size is ideal for quick touch-ups or smaller projects and repairs. Extreme Stretch sealant stretches over 600%, seals gaps and provides superior adhesion for a long lasting, crackproof seal. Its unique acrylic urethane formula is 100% waterproof, making it perfect for caulking and sealing windows, doors, trim, siding, gutters, flashing, sinks, and countertops. DAP caulk and sealants provide durable performance for a variety of projects. Interior/exterior use. DAP On the Go products provide the ability to seal, repair, bond and more without the waste.