DCA3: Designing fire-rated I-joist assemblies
Construction Specifier
JUNE 30, 2021
However, in the decades since the WIJ assemblies were first published, revisions to DCA3 have lagged behind developments in the engineered wood industry. Unfortunately, the dimensional constraints listed in DCA3 are no longer in total alignment with the I-joist industry. I-joist dimensional requirements. mm (1.125 in.)
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