Fire Rated Door Maximum Size

Steel gage of the door example.

Fire rated door maximum size.

Fire rated doors have a 3 4 maximum holes size unless otherwise listed by ul or its whi. Non fire rated doors can be furnished with a maximum 3 diameter hole for viewer preparations. Ceco has variaty of core choices including honeycomb polystyrene polyureahane foam and temperature rise cores. Fire rated doors have a 3 4 maximum holes size unless otherwise listed by ul or its whi.

Fire rated doors and frames are covered including a chart of the minute hour ratings maximum glass size and other requirements. Wire glass 100 square inches is max exposed glass when wire glass is used. 20 gage door constructions are approved for smaller door sizes than what is shown above. Fire ratings for doors are influenced by but not limited to the following items.

Maximum doors size for fire ratings is influenced by but not limited to the following items. Maximum glass light size for a 90 minute 1 1 2 hour door depends on the type of glass being installed. Note many code are outlawing the use of wire glass due to the hazards of injury from glass breakage. Ceco door offers a complete line of standard hollow metal doors in face sheet gauges ranging from 20 to 14.