Pressed Steel Door Frame (14, 16 gauge) (Adjustable) for installation in up to 90 minute locations in steel/wood stud drywall or masonry openings.
| Maximum Size of Openings: |
Singles 4'0" wide x 8'0" high |
| Minimum Throat Opening: |
3-3/4" |
Testing Standard: UL-10C (Positive Pressure).
Lead lining, of 1/32 in. to 1/8 in. thickness, is acceptable as described in the manufacturing specifications of this report.
Evaluated to the following:
This category includes frames based on ANSI-A155.1/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.
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. See Positive Pressure Section Header for more information.
