Rolled Formed Steel Door Frame (20or 18 gauge) (Knock-Down) for installation in single swing applications up to 90 minute locations in steel/wood stud drywall openings.
| Rating |
Max. Size |
Wall Construction |
Minimum Wall Thickness |
Door Type |
| 20-60 Minute |
Singles: 4'-0" wide x 8'-0" high
Standard Pairs: Not Allowed
Double Egress: Not Allowed |
Steel/Wood Stud Drywall |
3 1/2" |
Steel/Wood |
| 90 Minute |
Singles: 4'-0" wide x 8'-0" high
Standard Pairs: Not Allowed
Double Egress: Not Allowed |
Steel/Wood Stud Drywall |
6” |
Steel/Wood |
* Frame must be sealed to the wall with gypsum compound.
**See manufacturer's installation instructions for additional information, restrictions and limitations.
Testing Standards
UL-10C (Positive Pressure).
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.
