Soudal B1 Fire & Acoustic Expanding Foam is FIRE RATED one component, expanding polyurethane foam filler. Rapid curing. Excellent thermal and acoustic insulation properties. Excellent primerless adhesion on most construction materials. Available in Hand Held, Gun Grade and Genius Gun® versions.

CHARACTERISTICS
• Fire rated polyurethane foam filler
• EN1366-4 – Fire resistance, up to 4 hours depending on joint configuration
• Fire class DIN 4102 B1
• Acoustic rating – 58 dB
• Insulation factor – 36mW/mK
• Hand Held, Gun Grade and Genius Gun® versions

APPLICATIONS
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.