Soudafoam B2 is a one-component, self expanding, ready to use polyurethane foam with a B2 Fire Class (DIN 4102 B2). Soudafoam B2 (Gun Grade) is fitted with a plastic adaptor head for use with a foam applicator gun. It contains CFC Free propellants, which are completely harmless to the ozone layer. Applications: Installing of window and door frames Filling of cavities Sealing of all openings in roof constructions Creation of a soundproof screen Mounting and sealing of window and door frames Connecting of insulation materials and roof constructions Application of a soundproofing layer on motors Improving thermal isolation in cooling systems. 750ml Can.