DAP Dynaflex 230 Clear Waterproof Indoor/Outdoor Sealant, 10.1 oz. features DAP's most advanced latex sealant technology, ing premium elastomeric latex with silicone-like toughness. This sealant combines outstanding durability, adhesion, and flexibility, providing the benefits of silicone with the easy tooling, paintability, low odor, and water clean-up of a latex sealant. It is highly flexible to accommodate joint movement caused by temperature and humidity changes without cracking. The product creates a long-lasting, durable seal that is waterproof and weatherproof. It is i for sealing air leaks around windows, doors, siding, trim, and baseboards, helping to improve home energy efficiency and reduce utility costs. Once cured, the sealant resists mold and mildew, making it suitable for both interior and exterior use. It meets ASTM Specification C920, Class 25, ensuring high-quality performance. Model Number: 18304