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