GFRC meets or exceeds the requirement of Class I Flame Spread Classification under the Uniform Fire Code. Flame Spread Index is 0 and Smoke Developed Index is less than 20 (primarily water vapor) when tested per ASTM E, 84-01 “Standard Test Method for Surface Burning Characteristics of Building Materials”. (NFPA 255, ANSI/UL 723 and UBC 8-1)
Flame Spread Rating = 0
Smoke Density less than 5
GFRC panels can be designed to provide one and two hour fire rating.