About fire rated door, It is not unusual that after major construction projects, renovations, or after a Life Safety Compliance Solutions' life safety assessment that what were once fire-rated doors on fire or smoke barriers are now simply fire-rated doors. The fire codes and many AHJ's require a labeled fire-rated door, regardless of whether it is on a fire or smoke barrier, to be maintained and inspected as a fire-rated door. This can generate undue expense and investment when the door's function in case of fire has changed.
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