NFPA 257-2022

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Standard on Fire Test for Window and Glass Block Assemblies

This document advances fire safety by establishing test protocols to measure how well window and glass block assemblies prevent or slow the spread of fire, providing a standardized method for comparing the relative performance of different fire window assemblies.

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Standard on Fire Test for Window and Glass Block Assemblies

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NFPA 257-2022

Standard on Fire Test for Window and Glass Block Assemblies

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