DAP Alex Flex White Premium Molding & Trim Acrylic Latex Sealant, 10.1 oz. is specially designed for molding and trim applications, providing exceptional adhesion and flexibility to create a crack-proof seal. This high-performance sealant works seamlessly on natural and synthetic materials including wood, MDF, PVC, polystyrene, and composite molding. It smooth and easy application with low odor and simple water clean-up. Within just 30 minutes, it forms a tough outer skin that can be painted over with latex or oil-based paints, helping you complete your project faster. The durable seal resists shine-through and paint discoloration, ensuring a professional finish when sealing gaps around trim, crown molding, chair rails, baseboards, windows, and doors. This sealant is mold and mildew resistant and boasts a 60-year durability, exceeding ASTM Specification C920, Class 12.5. Suitable for both interior and exterior use, it remains permanently flexible and moisture resistant, making it a reliable choice for long-lasting results. Model Number: 18542