Fire Rated Door Maximum Size

Maximum glass light size for a 90 minute 1 1 2 hour door depends on the type of glass being installed.

Fire rated door maximum size.

Ul labels are also discussed. Ceco has variaty of core choices including honeycomb polystyrene polyureahane foam and temperature rise cores. 20 gage door constructions are approved for smaller door sizes than what is shown above. Wire glass 100 square inches is max exposed glass when wire glass is used.

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. Ceco door offers a complete line of standard hollow metal doors in face sheet gauges ranging from 20 to 14. Maximum doors size for fire ratings is influenced by but not limited to the following items.

Non fire rated doors can be furnished with a maximum 3 diameter hole for viewer preparations. Fire rated doors have a 3 4 maximum holes size unless otherwise listed by ul or its whi. Note many code are outlawing the use of wire glass due to the hazards of injury from glass breakage. Steel gage of the door example.