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Accurately assess fire risk by testing exterior wall assemblies according to the methodology presented in the 2012 NFPA 268.

Revised to include updated references, the 2012 NFPA 268: Standard Test Method for Determining Ignitibility of Exterior Wall Assemblies Using a Radiant Heat Energy Source describes 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 testing laboratories and manufacturers with comprehensive testing guidance.