Pressed Steel Frame for installation in up to and including 3 hour locations in Steel/Wood Stud Drywall and Masonry Openings (12, 14, or 16 gauge).
Maximum Sizes
| Configuration |
Maximum Size |
| Single Swing |
4’-0” wide by 10’-0” tall |
| Standard Pairs |
8’-0” wide by 10’-0” tall |
| Double Egress |
Not Permitted |
| Minimum Wall Thickness |
2” |
| Door with Fixed Transom Bar |
Maximum Door Size |
Maximum Transom Size |
| Single Swing |
4’-0” wide by 10’-0” tall |
4’-0” wide by 2’-8” tall |
| Standard Pairs |
8’-0” wide by 10’-0” tall |
8’-0” wide by 2’-8” tall |
| Double Egress |
Not Permitted |
| Minimum Wall Thickness |
4” |
Evaluated to the following...
This category includes frames based on UL-63 and includes sidelight/transom assemblies. These frames are qualified for use in positive pressure assemblies, with Category A doors, or with Category B doors utilizing Category G edge-sealing systems. These frames, when installed in pairs in drywall construction, shall have anchors installed in the head section, minimum 24" on center. These listings will not reference specific door types, as all door types are eligible.
These procedures apply to fire door frame assemblies which have demonstrated fire-resistive properties in fire tests sufficient to warrant their use with fire doors having a rating of 20 minutes up to and including 3 hours when tested in accordance with the following test standards:
- NFPA 252 Standard Methods of Fire Tests of Door Assemblies.
- UL 10C (R2001) Positive Pressure Tests of Door Assemblies.
- CAN4 S104 (1980) Standard Method for Fire Tests of Door Assemblies.
The frames may include provision for transoms, mullions, or sidelights.
All frames in this category are identified by a label or marking bearing the wording, "Listed Fire Door Frame", and the Intertek Warnock Hersey Certification Mark. Frames rated at less than 3 hours will have a time interval noted on the label/marking.
