Fire resistance up to 4 hours Fire rated one component polyurethane gun grade expanding foam filler. Quick and easy flameretardant filling and insulating of joints cracks gaps and cavities in all kinds of construction materials. Rapid curing with excellent thermal and acoustic insulation properties Soudal B1 Fire provides excellent primerless adhesion to most construction materials. Features & Benefits Fire retardant window and door frames Resist heat cold moisture and noise Fills and insulates gaps and cavities Can be used indoors and outdoors Excellent bonding properties Applications Passive fire protection systems as a large gap filler Installation of fire retardant window and door frames Sealing of expansion and connection joints Thermal and acoustic insulation around doors and window frames Pipe penetrations and insulation Roofing materials and general construction Technical Information Measurement Value Volume 750ml Gun G...