The DG fire-wall hanger series from Simpson Strong-Tie is suited for Type III multifamily, multi-level building construction and easily installs on a two-hour wood stud fire wall during framing—before the drywall is in place. The series includes three mod- els of top-flange hangers that con- nect floor joists to the wood wall and feature enough space for two layers of 5/8-inch drywall to be installed later. The three fire wall hangers have been tested according to ASTM E814 standards to verify that the hangers do not reduce the two-hour assembly rating and, therefore, each of the DG hangers received F (flame) and T (temperature) ratings for use on either or both sides of a wall.
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