DAP® DYNAFLEX 230 Premium Elastomeric Sealant is a "Silicone Tough" latex sealant designed for exceptional exterior performance. This flexible, crackproof sealant endures expansion and contraction, ensuring a long-lasting seal that won’t crack or lose adhesion. Ideal for interior and exterior use, it provides a 100% waterproof and weatherproof seal. It’s paint-ready in 2 hours, seals joints up to 2" wide, and offers easy water clean-up with low odor.