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DCA3: Designing fire-rated I-joist assemblies

Construction Specifier

Some of the largest I-joist manufacturers have brought products to market that do not comply with DCA3, backed instead by privately commissioned fire test reports based on proprietary assemblies. Some of the industry’s major players have entry level product lines with flanges as slim as 28.5 mm (1.125 in.) mm (1.312 in.),

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

Construction Specifier

Often, the primary goal for a workspace is to create a comfortable and productive space with minimal noise distractions. This can also be achieved by integrating appropriate acoustical products with architectural design elements. Office space Controlling noise levels to establish a comfortable and productive working environment.

IIC 64