Fire Rated Doors & Jambs

Available as Category A or Category B positive pressure in all common species, our commercial fire rated doors and wood jambs allow for complete freedom of design on your project. Our fire rated wood doors can be made as raised panel, flat panel, plank panel, or even as a custom flush style door. A wide range of hardware applications and glass and glazing are allowed as per the table below.

Stand alone fire rated, or non rated wood jamb packages are also available for your commercial flush door projects.

Standard Options

Square top
square top raised panel door
Top Rail Arch
flat top raised panel door

*Some fire rated flat or true arch options available on a custom quote basis - consult factory

raised panel doors in entry and antechamber

Fire Rated Door Capability Chart

20, 45, 60, 90 Minute Positive Pressure
Fire Rating Maximum
Door Size		 Maximum Lite Hinges & Pivots Locks Closers Flush Bolts Fire Exit Devices Auto Door Bottoms
W L Sq In.
20-Minute 4/0 x 8/0 single
7/0 x 8/0 pair		 30" 54" 1,296" Per NFPA 80
Table 2-1 3.1		 Cylinder, Mortise
& Dead Bolt		 Surface Concealed Listed Manual, Mortised Auto
(DCI 960, 962)		 Surface CVR Mortised, Surface
45-Minute 4/0 x 8/0 single
7/0 x 8/0 pair		 26" 48" 1,248" Per NFPA 80
Table 2-1 3.1		 Cylinder, Mortise
& Dead Bolt		 Surface Listed Manual, Mortised Auto
(DCI 960, 962)		 Surface CVR Mortised, Surface
60-Minute 4/0 x 8/0 single
7/0 x 8/0 pair		 10" 25" 100" Per NFPA 80
Table 2-1 3.1		 Cylinder, Mortise
& Dead Bolt		 Surface Listed Manual, Mortised Auto
(DCI 960, 962)		 Surface CVR Mortised, Surface
90-Minute 4/0 x 8/0 single 10" 25" 100" Per NFPA 80
Table 2-1 3.1		 Cylinder, Mortise
& Dead Bolt		 Surface Listed Manual, Mortised Auto
(DCI 960, 962)		 Surface Mortised, Surface

*Electrical Raceways are allowed in all doors. (20-90 minute)
*Ventilation Louvers are allowed in all doors. (20-90 minute)

Fire Rated Wood frames

Single Rabbet or Flat Jamb with Applied Stop
Fire Rating Maximum Size
20-Minute 3/6 x 8/0 Single (softwood)
4/0 x 9/0 Single (hardwood)
5/6 x 8/0 Pair (softwood)
8/0 x 9/0 Pair (hardwood)
45-Minute 4/0 x 8/0 Single
60-Minute 4/0 x 8/0 Single
90-Minute 3/6 x 8/0 Single