In response to the 2012 International Residential Code, section R503.1 requiring floor assemblies to be fire resistant rated, Truss Joistֿ® has answered with Flak Jacket fire protection. Truss Joist® joist with the Flak Jacket fire protection applied to the industry’s top I-joist brand with proprietary, factory applied coating that boosts the joists’ fire resistance. This [...]