12 oz. SoudaFoam Fireblock is a one-component, selfexpanding, ready to use polyurethane foam with propellants, which are completely harmless to the ozone layer. SoudaFoam Fireblock is available for use with a standard straw applicator. Characteristics:, Permanent color, Paintable, Mildew resistant, Very good adhesion on many materials, Very easy application, Applications: Installing of window and door frames, Filling of cavities, Sealing of openings in roof construction, Creation of a soundproof screen, Mounting/sealing of window and door frames, Connecting of insulating materials and roof construction, Improving thermal isolation in cooling systems, Installation of air conditioner. Shelf life: 18 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 upwards. Application Instructions: Straw: Shake the aerosol can for at least 30 seconds.