ASTM-84-04 (Class "A"
Rating Building Materials)
Equivalent tests: (UL-723, ANSI No. 2.5, NFPA No. 255;
and UBC 42-1)
Testing Agent: Intertek
Date: 10/06/05
Substrate: OSB
Method: Standard test method for surface burning
characteristics of building materials.
Parameters:
Flame spread and Smoke developed values.
Results:
Flame spread Index 10; Smoke Index 10