Is a one-component, moisture-curing, self-expanding aerosol polyurethane foam. It is designed for easy dispensing using the straw adapter included with each can. Importantly, it does not contain any propellant gases that harm the ozone layer. High thermal insulation value, Overpaintable with most common paints, Good acoustic value, Adheres well to wood, metal and concrete surfaces, Good expansion capacity & Water proof, Easy to use.