Big Stretch Elastomeric Caulk 10.5 oz. – Dark Brown

Big Stretch® is a professional-grade, water-based elastomeric sealant designed to tackle the toughest sealing jobs both indoors and out. Its powerful adhesion and superior elasticity allow it to span gaps up to 2 inches wide and stretch up to 500% of the original joint size without cracking. Ideal for windows, doors, siding, mortar joints and more, this dark brown caulk blends seamlessly with brick, masonry and wood while providing a durable, long-lasting seal.

Whether you’re repairing worn joints or installing new trim, Big Stretch® offers easy water cleanup and can be painted or stained in as little as 4 hours (longer under high humidity). It’s nontoxic and environmentally friendly, making it a go-to solution for home improvement professionals and DIY enthusiasts alike.

Key Features

• Water-based elastomeric formula for outstanding flexibility
• Adheres to most interior and exterior surfaces
• Seals gaps up to 2 in. wide; stretches up to 500% without cracking
• Paintable and stainable in just 4 hours
• Cleans up easily with water
• Nontoxic, low-odor and environmentally safe

⚠️ WARNING: This product can expose you to Ethyl acrylate known to the State of California to cause cancer and Ethylene glycol (ingested) known to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.