DCA3: Designing fire-rated I-joist assemblies
Construction Specifier
JUNE 30, 2021
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. The makers of these joists are major players and cannot simply be excluded from an open specification or generic assembly.
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