LePage® TiteFoam is a new generation of polyurethane-based insulating foam sealant that expands to fill, seal and insulate gaps and cracks inside or out. It is a white polymer foam based on purified and concentrated ingredients that provides 4X more density vs conventional foams for better durability and insulation. It is easy to use and apply with its attached straw applicator and provides a quick durable seal from the elements. LePage® TiteFoam insulating foam sealant has excellent adhesion on most building materials like wood, concrete, stone, metal and more. Product does not contain CFC-propellants.