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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.
The standard prescribes fire and hose stream test procedures that apply to fire window assemblies -- including window, glass block, and other light-transmitting assemblies -- intended for use in window openings to retard the spread of fire through openings in fire-resistive walls. It covers controls of the fire test as well as performance criteria and results for reporting procedures.
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© National Fire Protection Association (NFPA) 2016