DCA3: Designing fire-rated I-joist assemblies
Construction Specifier
JUNE 30, 2021
Some of the largest I-joist manufacturers have brought products to market that do not comply with DCA3, backed instead by privately commissioned fire test reports based on proprietary assemblies. Unfortunately, the dimensional constraints listed in DCA3 are no longer in total alignment with the I-joist industry. I-joist roof/ceiling assembly.
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