Fire rated doors and frames are covered including a chart of the minute hour ratings maximum glass size and other requirements.
Fire rated door maximum size.
Non fire rated doors can be furnished with a maximum 3 diameter hole for viewer preparations.
Note many code are outlawing the use of wire glass due to the hazards of injury from glass breakage.
Ul labels are also discussed.
Fire ratings for doors are influenced by but not limited to the following items.
Fire rated doors have a 3 4 maximum holes size unless otherwise listed by ul or its whi.
Maximum doors size for fire ratings is influenced by but not limited to the following items.
Wire glass 100 square inches is max exposed glass when wire glass is used.
Maximum glass light size for a 90 minute 1 1 2 hour door depends on the type of glass being installed.
Ceco has variaty of core choices including honeycomb polystyrene polyureahane foam and temperature rise cores.
Steel gage of the door example.
Ceco door offers a complete line of standard hollow metal doors in face sheet gauges ranging from 20 to 14.
Fire rated doors have a 3 4 maximum holes size unless otherwise listed by ul or its whi.