The 1G WHITE DUCT SEAL from JONES STEPHENS is a high-performance sealant designed for water-based applications. This product is UL listed, ensuring compliance with safety standards. It provides excellent adhesion and flexibility, making it ideal for sealing ducts in HVAC systems. The sealant is easy to apply and cures quickly, forming a durable barrier against moisture and air leaks. With a 1-gallon capacity, it is suitable for both small and large projects, ensuring a reliable seal in various environments. This duct seal is perfect for contractors and DIY enthusiasts looking for a dependable sealing solution.