Premium Polyurethane Foam, used with an applicator gun, features high yield, easier application and reusability. It is designed for easy dispensing and to provide structural stability that makes it the best choice for fixing heavy doors. Importantly, it does not contain any propellant gases that harm the ozone layer. Higher Yield, Easy to use, High Strength Structural Foam, High Acoustic & Thermal insulation, Adheres well to wood, metal and concrete surfaces, Good working time, Excellent mounting capacity.