Standard Test Method for Determining Ignitability of Exterior Wall Assemblies Using a Radiant Heat Energy Source
What is NFPA 268?
This standard offers a testing method to measure and describe the ignitability characteristics of exterior wall assemblies and their potential of contributing to fire growth under controlled laboratory conditions. It is intended to be used for code and other regulatory purposes, specification and design purposes, and research and development activities.
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What does NFPA 268 address?
This fire test response standard details a method to determine the propensity of ignition of exterior wall assemblies from exposure to 12.5 kW/m2 radiant heat in the presence of a pilot ignition source. From instrumentation and documentation to safety precautions and calibration, this document provides comprehensive testing guidance.
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