Remove IIC Remove Permits Remove Reference Remove Zoning
article thumbnail

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. This article will go into more detail on the shortcomings of both DCA3 and the manufacturer fire tests. I-joist roof/ceiling assembly.

Design 52