Roll Formed Steel Door Frame (18, 20, 22 gauge) (Knock-Down) for installation in 1 hour locations in steel/wood stud drywall or masonry openings.
Limitations: Aluminum casing trim is allowed. No combustible casing trim allowed.
| Maximum Size of Openings: |
8'0" wide x 8'0" high |
| Maximum Overall Dimensions: |
100" wide x 98" high |
| Minimum Throat Opening: |
3-3/8" |
Evaluated to the following...
Unless otherwise noted, assemblies in this section have been tested to the following standards:
CAN4-S104 (ULC-S104), Standard Method for Fire Tests of Door Assemblies
NFPA-252, Standard Methods of Fire Tests of Door Assemblies
UL-10(b), Fire Tests of Door Assemblies
and are installed, unless otherwise noted, in accordance with the following:
NFPA-80, Fire Doors & Windows.
Manufacturer's Instructions.
Listed maximum sizes of lights are based on sizes tested and may exceed local code requirements.
All frames are identified by either a label or embossed marking bearing the wording "Listed (Product)" and the WHI Certification Mark. Frames rated for less than 3 hours also bear the time interval. Frame labels that do not include a time interval are rated for 3 hours.
