NEW CSI 3-Part Format Specs for NEW UL Standard Life Safety Dampers. ... Read More.
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Every Fire and Combination Fire/Smoke Damper must function properly during a fire or life-safety event. To ensure that these dampers perform as tested... ... Read More.
...and Ruskin had the solution.The existing shafts were not fire rated and none of the penetrations were protected with fire or combination fire/smoke... ... Read More.