DAP Extreme Stretch is a premium urethanized sealant ideal for sealing a wide variety of interior & exterior surfaces. It is specially formulated to stretch over 600% ensuring seal does not crack or lose adhesion. The unique formula of Extreme Stretch is easy to apply and & tool, low in odor, and it cleans up easily with water, making it perfect for most sealing projects including windows, doors, trim, siding, gutters, flashing, sinks, and countertops.