(Commercial Universal Frame): Roll Formed Steel Door Frame (16 or 18 gauge)(Knock-Down) for installation in up to 3 hour locations in steel stud/wood stud drywall or masonry openings.
Note: Maximum rating for Standard Pairs is 1-1/2 hours.
| Maximum Size Openings: |
Single Swing - 4'0" wide x 8'0" high
Standard Pairs - 6'0" wide x 7'0" high |
| Minimum Throat Opening: |
3-1/2" |
Evaluated to the following:
CATEGORY C - Standard Frames
This category includes frames based on ANSI-A155.1/UL-63. 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" o.c. These listings will not reference specific door types, as all door types are eligible.
All frames in this category are identified by a label or marking bearing the wording, "Listed Fire Door Frame", and the Warnock Hersey Certification Mark. Frames rated at less than 3 hours will have a time interval noted on the label/marking.
