firewall test, SuperForm ICF withstood ecposur to intese flame without structural failure. The extremely low flame spread and smoke development results in up to a 4-hour fire protection rating. ASTM E119. Conventional wood walls have a fire rating of under 20 minutes
firewall test, SuperForm ICF withstood ecposur to intese flame without structural failure. The extremely low flame spread and smoke development results in up to a 4-hour fire protection rating. ASTM E119. Conventional wood walls have a fire rating of under 20 minutes