Rolled Formed Steel Door Frame (20 gauge) with side lights and/or Transom Lights for installation in 45 minute locations in steel/wood stud drywall openings.
Limitations: Door Jambs, Door Header, Mullions & Muntin 18 gauge Steel. Steel casing trim*, labeled positive pressure fire rated flush type, composite core wood doors or positive pressure steel doors. *For wood or aluminum trim, see installation instructions. Proprietary construction frame is required.
Maximum Size of Openings |
Singles: 3’-0” wide by 9’-0” high |
Maximum Overall Dimensions |
121 5/8” wide by 122 1/4” high |
Minimum Throat Opening |
3 1/2” |
Maximum Size of Lights |
2,415 in2 with a maximum dimensions of side light of 23” wide by 105” high clear view.
Maximum dimensions of transom 35” wide by 9” high clear view. |
Rolled Formed Steel Door Frame (18, 20, 22 gauge) (Knock Down) for installation in 20 minute locations (without hose stream) in steel/wood stud drywall or masonry openings.
Limitations: Steel Casing Trim*, labeled fire rated flush type particle board core wood door or positive pressure steel stiffened doors. For wood doors, use Pemko HSS2000 Intumescent Strip applied to frame or door at jambs, header and meeting edge of pairs. *Wood trim (minimum density of 21.8 pcf) is allowed around the door frame with side light or borrowed light frame. Wood trim is not allowed on glazing mullion or muntin's. Minimum Throat Opening: 3-1/2"
Rating |
Maximum Size |
Wall Construction |
Door Type |
20 Minutes |
4’-0” wide by 9’-0” high |
Wood Steel Stud Drywall or Masonry |
Steel Stiffened Hollow Metal, Flush Wood Door |
20 Minutes |
8’-0” wide by 9’-0” high |
Wood Steel Stud Drywall or Masonry |
Steel Stiffened Hollow Metal, Flush Wood Door |
Testing Standard
UL 10C - Positive Pressure Fire Test of Door Assemblies
NFPA 252 - Fire Test of Door Assemblies
Borrowed Lights for frame elevated off of floor or with frame still attached to floor as noted in the table below:
Type |
Maximum Size |
For Frame Elevated off of Floor |
Maximum Overall Height: 7’ - 7-1/2”
Maximum Overall Width: 4’ - 9-7/8”
Allowable Individual Pane Size:
Maximum Width (Clear View): 35"
Maximum Height (Clear View): 35"
Maximum Area (Clear View): 1,225 sq. in.
Minimum Glazing Stop Width: 5/8" -0"
1/2" or 3/4" High Stops |
For Frame Still Attached to Floor) |
Maximum Width (Clear view): 23"
Maximum Height (Clear view): 105"
Maximum Area (Clear view): 2,415 sq. in.
Minimum Glazing Stop Width: 5/8" -0"
1/2" or 3/4" High Stops |
Testing Standard
CAN/ULC S106 - Standard Method for Fire Tests of Window and Glass Block Assemblies
NFPA 257 - Standard on Fire Test for Window and Glass Block Assemblies
UL 9 - Standard for Fire Tests of Window Assemblies
Evaluated to the following...
This category includes frames not based on UL-63 construction Type (such as, aluminum, wood, light gauge steel, composite, etc.). These listings will reference specific door types for which each frame is qualified. All frames listed in this section may be used in positive pressure assemblies per the terms and limitations of the individual listing.
All frames in this category are identified by a label or marking bearing the wording, "Listed Fire Door Frame", the Warnock Hersey Certification Mark, UL-10C. Frames rated at less than 3 hours will have a time interval noted on the label/marking.