Sashco Big Stretch Almond Elastomeric Acrylic Latex Door/Siding/ Window Caulk 10.5 oz. (Pack of 12)Big Stretch is a high performance water based elastomeric sealant with powerful adhesion and superior elasticity. It spans gaps up to 2 wide and stretches up to 500% of original joint size without cracking. Big Stretch wont crackit just stretches. Moves when your home moves to create a permanently waterproof and weatherproof seal. Helps you avoid repeated repairs. Just say no to brittle, cracked caulking. Stays soft and elastic over time for a years