Roll Formed Steel Door Frame (18, 20, 22 gauge) (Knock-Down) for installation in 1-1/2 hour locations in steel/wood stud drywall or masonry openings.
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Maximum Size of Openings: |
For 18 or 20 gauge- 6'0" wide x 9'0" high
For 22 gauge- 6'0" wide x 8'0" high |
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Maximum Overall Dimensions: |
For 18 or 20 gauge- 76" wide x 110" high
For 22 gauge- 76" wide x 98" high |
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Minimum Wall Thickness: |
3-3/8" |
Evaluated to the following:
Unless otherwise noted, assemblies in this section have been tested to the following standards:
ASTM-E152, Methods of Fire Tests of Door Assemblies;
CAN4-S104(ULC-S104), Standard Method for Fire Tests of Door Assemblies;
CSFM-43.7, Methods of Fire Tests of Door Assemblies;
NFPA-252, Standard Methods of Fire Tests of Door Assemblies;
UBC-7-2-94, Uniform Building Code;
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.
