Fire Rated Door Maximum Size

Ul labels are also discussed.

Fire rated door maximum size.

Fire rated doors have a 3 4 maximum holes size unless otherwise listed by ul or its whi. Ceco has variaty of core choices including honeycomb polystyrene polyureahane foam and temperature rise cores. Maximum doors size for fire ratings is influenced by but not limited to the following items. Steel gage of the door example.

Fire rated doors and frames are covered including a chart of the minute hour ratings maximum glass size and other requirements. The fuego temperature rise doors offer the maximum in fire and life safety as they feature 250 degrees f ratings. 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.

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