Fire-Rated Commercial Hollow Metal Doors
Fire-Rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire. Labeled fire doors control the spread of fire and smoke for up to 3 hours. Metal fire doors are an economical alternative to wood fire doors, when more than a 20 minute rating is required. Steel is the sole door material to deliver a 3 hour fire-rating.
SecurExdoors is an authorized WHI fire-labeled shop enabling us to modify, re-certify and label fire-rated doors and frames. Our facility undergoes routine inspections to verify that modifications are done in compliance with the requirements of the securExdoors specification listings.
20, 45, 60, 90 Minute or 3 Hour Label
Heavy Duty 18 Gauge Steel
Insulated Polystyrene Core
Fire-Rated doors are required to be self closing and positive latching.
Frame and Hardware must also carry the appropriate fire label.
Fire Door Classified Openings
Fire door openings are classified by their locations in a building. Location determines the length of exposure protection required, based on the potential fire hazard of that particular area. The opening classifications are shown below.
Fire-protection ratings tested and classified
Note: Most exterior doors do not require fire rating, unless there is the potential for fire exposure from the outside of the building. See Flush Metal Doors for non-rated doors, which are made from the same construction as a fire-rated metal door.
Door Rating Wall
Description and Use
3 Hour (180 Minutes)
4 Hour These openings are in wall that separate buildings or
divide a single building into designated fire areas.
1-1/2 Hour (90 Minutes)
2 Hour Openings of this type are used in enclosures of
vertical communication or egress through buildings.
Examples include stairwells and elevator shafts.
They also occur in boiler rooms and in exterior walls
that have the potential for severe fire exposure from
the outside of the building.
1 Hour (60 Minutes)
1 Hour These door and frame assemblies divide occupancies in a building.
3/4 Hour (45 Minutes)
1 Hour For use where there are openings in corridors or
room partitions. A door with this rating may also be
located in the exterior wall of a building subject to
moderate fire exposure from the outside of the
1/3 Hour (20 Minutes)
1 Hour These openings are in corridors where smoke and
draft control is required.
● The wall, door frame, door and hardware must all be fire rated. The door must be self closing and positive latching (push/pull plates cannot be used on a fire rated door) and steel ball bearing hinges must be used.
1. Labeled Door Frame
2. Labeled Door
3. Approved Closing Device (Door Closer or Spring Hinges)
4. Approved Latching Device (Lockset or Exit Device)
5. Steel Ball Bearing Hinges
Fire-Rated Ceramic Glass
UL labeled ‘clear’ ceramic glass, with surface applied heavy duty safety film.\
Free of amber tint
Light Transmission: 80%
Fire Rating: 20 Minutes to 3 Hours
Wire Glass for Fire Rated Doors
Fire-Rated Wired Glass
UL labeled wired glass.
An economical alternative to ceramic glass, for 20-90 minute fire rated doors.
Embedded 3/4″ x 3/4″ wire mesh
Safety film applied to one side
Light Transmission: 86%
Fire Rating: 20 Minutes to 90 Minutes