DCA3: Designing fire-rated I-joist assemblies
Construction Specifier
JUNE 30, 2021
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. Fiberglass insulation, whether blown-in or blanket, is perhaps the most used material for this application. Cavity insulation.
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