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NFPA (Fire) 257 View larger

NFPA (Fire) 257

M00004178

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NFPA (Fire) 257 Standard on Fire Test for Window and Glass Block Assemblies, 2000 edition

standard by National Fire Protection Association, 04/15/2000

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This standard prescribes specific fire and hose stream test procedures to establish a degree of fire protection in units of time for window openings in fire resistive walls. It establishes controls of the fire test as well as performance criteria and results for reporting procedures. This document is referenced by the NFPA 101?: Life Safety Code?, when being used to set up a window fire resistance rating in a fire rated wall assembly.