Akfix 820P, is a single component, moisture curing, self expanding, ready to use polyurethane foam with propellants which are completely harmless to ozone layer. It has a fire rating of up to 217 minutes in certain configurations. High quality PU straw foam recommended for sealing applications where fire resistance is required. PU foam used with an applicator gun and features higher yield, easier application and reusability.
All applications where fire retardant properties are required such as: