DAP's ALEX FAST DRY® Acrylic Latex Caulk is designed to meet the needs of professional painters, this caulk is ready for brush painting in just 20 minutes or immediately for spray painting. Its all-purpose formulation offers strong adhesion to many surfaces, creating a durable, flexible, and 100% waterproof seal that resists cracking and discoloration. Mold and mildew resistance, combined with reduced dirt pick-up, keeps surfaces clean and fresh. Easy to apply, with a low-odor and water-cleanable formula