Firefoam B1 Gun Grade is a quick-setting fire rated, one part polyurethane foam that expands on application to yield up to 50 times the can contents.

Fire rated up to 4 hours in certain joint configurations
Quick setting – once cured the foam can be cut, sawn or plastered over after only one hour
Fills irregular and broad gaps where most conventional fillers would fail
Possesses insulating and sound deadening properties
Slows down the passage of flames and smoke
Meets the stringent requirements of DIN 4102 Part 1 for Construction Materials, Class B1 and BS 476 Part 20
For use with professional foam gun

Available in 750ml