Sika Boom®-420 Fire
Fire resistant polyurethane expanding foam for gun and nozzle application
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 EN 1366-4. The combi-valve allows the application by either gun or nozzle.
- Fire resistance up to 180 minutes according to EN 1366-4
- Combi-valve for gun or nozzle application
- 1-Part ready to use
- Safety valve for extended shelf life
- Cured foam can be cut, trimmed and sanded