Soudal B1Fire Class Expanding Foam

Gun Grade FIRE RATED one component, expanding polyurethane foam filler. Rapid curing. Excellent thermal and acoustic insulation properties. Excellent primer-less adhesion on most construction materials.

For use in passive fire protection systems as a large gap filler; installation of fire retardant window and door frames; sealing of expansion and connection joints, penetration seals. Thermal and acoustic insulation around doors and window frames, pipe penetrations, insulation and roofing materials and general construction.

Don’t forget to pick up the cleaner for when you are finished!

Further information available below