Everbuild Fire Foam B1 is a quick setting fire rated one part polyurethane expanding foam with fire retardent properties, it expands on application to yield up to 50 times its original volume, it has excellent thermal,­ acoustic and insulation properties, has primerless adhesion on most construction materials and meets the extremely stringent test crieria DIN 4102 part 1 for construction materials, Class B1 and BS476 part 20 where ratings of up to 4 hours are achievable . Once cured the foam can be cut, sawn or plastered.
B1 Fire Foam is available in both gun grade or hand held versions and coloured Pink to diffe­ren­tiate from standard fixing foams.

APPLICATIONS : Fire Foam B1 is 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 and is fire rated up to 4 hours in certain joint confi­gura­tions.

•     DIN 4102 part 1 for construction materials
•     Class B1 and BS476 part 20 
•     Fixing
•     Filling
•     Insulating