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DCA3: Designing fire-rated I-joist assemblies

Construction Specifier

The wood I-joist (WIJ) assemblies were added to DCA3 in 2001 and were intended to promote the usage of engineered lumber by simplifying the associated design, specification, and permitting processes. Unfortunately, the dimensional constraints listed in DCA3 are no longer in total alignment with the I-joist industry.

Design 52