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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. It has been used in residential construction for decades, is commonly available at hardware stores and lumber yards, and is inexpensive.

Design 52
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Tuning in on sound: Reducing noise in the workplace

Construction Specifier

Acoustic expertise Acoustic consultant services benefit multiple sectors of the build industry—from the architecture, design, and construction of buildings to major complex developments such as airports, transportation hubs, entertainment venues, shopping and dining districts, multi-residential buildings, sports arenas, and industrial sites.

IIC 64