NFPA 256 Standard Methods of Fire Tests of Roof Coverings
NFPA 256 屋顶覆盖材料的火灾试验方法
These test methods shall measure the relative fire characteristics of roof coverings under a simulated fire originating outside a building.
NFPA 256 specifies methods for measuring relative fire characteristics of roof coverings when fire originates outside the building. The Standard is reformatted for compliance with NFPA Manual of Style. (16 pp., 2003)