12 oz. soudafoam gap fill is a one-component, selfexpanding, ready to use polyurethane foam with propellants, which are completely harmless to the ozone layer. soudafoam gap fill is available for use with a standard straw applicator, a foam applicator gun. characteristics: permanent color, paintable, mildew resistant, very good adhesion on many materials, very easy application. applications: filling of cavities, sealing of openings in roof construction, creation of a soundproof screen, connecting of insulating materials and roof construction, application of a soundproofing layer on motors, improving thermal isolation in cooling systems, installation of air conditioners shelf life: n18 months in unopened packaging in a cool and dry storage place at temperatures between 41°f and 77°f, always store can with the valve pointed upward. application instructions: straw/gun: shake the aerosol can for at least 30 seconds