DCA3: Designing fire-rated I-joist assemblies
Construction Specifier
JUNE 30, 2021
For years, Design for Code Acceptance #3 (DCA3), a document published and maintained by the American Wood Council (AWC), has been the go-to resource for architects working with I-joist assemblies. By Anton Dekom. Photo @Dreamstime.com. Of eight I-joist assemblies listed in DCA3, six require a minimum flange depth of 38.1
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