Big Stretch Sashco Pine Green Paintable Acrylic Caulk for Indoor/Outdoor (Pack of 12)Big Stretch is a high performance water based elastomeric sealant with powerful adhesion and superior elasticity. This acrylic latex spans gaps up to 2" wide and stretches up to 500% of the original joint size without cracking. Big Stretch water based caulk won't crack; rather, it just stretches. This sealant stays soft and elastic and provides a long lasting seal. The acrylic caulk sticks, even to difficult surfaces. Big Stretch caulk is compatible