Soudafoam Gun B2 with CFC-free propellant is a one-component, selfexpanding, ready to use polyurethane foam. It contains CFC-free
propellants, which are completely harmless to the ozone layer. It has a fire rating to B2 (DIN 4102-Part 2) and has been tested and approved for
soundproofing by “ift Rosenheim”.