FIRE RESISTANT POLYURETHANE EXPANDING FOAM Sika Boom®-420 Fire is a 1-part, fire resistant, self-expanding polyurethane foam. It meets the fire resistance requirements of up to 180 minutes according to AS 1530.4:2014. The combi-valve allows for precise, easy and effecient application by either gun or nozzle.
Fire resistance up to 180 minutes depending on the configuration
Packaging: 750 ml pressurised canister with safety valve: 12 canisters per