Chapter 7: Fire and Smoke Protection Features, California ...
The time, in minutes, contributed to the fire-resistance rating by the noncombustible protection of mass timber building elements, components, or assemblies, shall be established through a comparison of assemblies tested using procedures set forth in ASTM E119 or UL 263.The test assemblies shall be identical in construction, loading, and materials, other than the noncombustible protection.
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