UniBond Fill, Seal and Insulate WhiteTeq Expanding Foam is the solution for sealing and insulating gaps and cracks. This new generation polyurethane-based foam is a breakthrough in performance. With 4x the finished density of the regular foam, its refined chemicals provide a pure white foam that is strong, long-lasting, and durable. It offers a paintable and waterproof seal and is made to stick to various surfaces, including wood, concrete, stone, plastic, and metal. It provides benefits for thermal and sound insulation and guards against the deformation of window and door frames. This multipurpose product offers 25% flexibility for a faultless finish and dries in 6 to 8 minutes before curing in an hour. Product benefits at a glance: It expands to fill, seal and insulate gaps and cracks inside or out. Sticks to wood, concrete, stone, plastic and metal. The 10x higher UV resistance provides ultimate durability in all conditions. The new generation of polyurethane-based insulating foam sealant.