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NFPA 285 Intermediate Scale
Multi-Storey Flame Spread Test Apparatus

The intermediate scale multi-storey flame spread test apparatus conforms to the requirements specified in the NFPA 285 test standard.
The unit is a laboratory test apparatus used to measure the spead of flame on the face of a wall assembly when the fire exits a window opening measuring 78'' wide by 30'' high. The results determine the flammability of exterior wall faces for conformance to building code requirements.



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