Performance Based Design
Firewalls being used in different application may require different design and performance specifications. Knowing the potential conditions that may exist during a fire are critical to selecting and installing a firewall. For example, a firewall designed to meet National Fire Protection Agency, (NFPA), 221-09 section A.5.7 which indicates an average temperature of 800°F, is not designed to withstand higher temperatures such as would be present in higher challenge fires, and as a result would fail in a time less than the wall rating.
Performance based design takes into account the potential conditions during a fire. Understanding thermal limitations of materials is essential to using the correct material for the application.
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