LOCTITE TITE FOAM Window and Door is a new generation of polyurethane-based insulating foam sealant that expands to fill, seal and insulate around window and door jambs. Loctite TITE FOAM is a minimal-expanding foam based on purified and concentrated ingredients that provides premium durability. Its low-pressure formula is designed to not bow or warp window or door frames. Loctite TITE FOAM Window & Door is a bright white color and offers premium durability with its high density, flexibility, strong adhesion and UV resistance. It is easy to use and apply with its attached straw applicator and provides a quick durable seal around windows and doors. Loctite TITE FOAM has very strong adhesion to substrates, while remaining extremely flexible to move with building materials after cured.