The Everbuild Firefoam B2 Gun Grade - 750ml is a quick setting fire rated, one part polyurethane foam in a ready to use hand held canister. Fire resistant for up to 2 hours in certain joint configurations. it expands on application to up to 50 times the can contents and meets the requirements of the test criteria for BS 476 Part 20, meaning it slows down the passage of flames and smoke. Once set, the foam can be cut, sawn or plastered over after only one hour providing the working temperatures (can and surfaces) are between +5 to +25C, ideally 20C. This is for professional use only.
Fire resistant up to 2 Hours
Fills irregular & broad gaps
Expands up to 50 times original volume