Roll Formed Steel Door Frame (20 or 22 gauge) (Knock-Down) for installation singly or in pairs up to and including 1-1/2 hour locations in steel/wood stud drywall or masonry openings.
Limitations: 4" x 4" Hinges
Rating |
Max. Size
Openings |
Maximum Overall
Dimensions |
Min. Throat
Opening |
Remark |
90 Min. |
Singles: 3'0" wide x 9'0" high
Pairs: 6'0" wide x 9'0" high |
Singles: 39" wide x 110" high
Pairs: 75" wide x 110" high |
3-1/2" |
Steel
Casing |
20-60 Min. |
Singles: 3'0" wide x 9'0" high
Pairs: 6'0" wide x 9'0" high |
Singles: 39" wide x 110" high
Pairs: 75" wide x 110" high |
3-1/2" |
Wood
Casing |
Pressed Steel Door Frame (18, 16 gauge) (Knock-Down) for installation up to and including 1-1/2 hour locations in steel/wood stud drywall or masonry openings.
Maximum Size of Openings: |
Singles- 4'0" wide x 8'0" high
Pairs- 8'0" wide x 8'0" high |
Maximum Overall Dimensions: |
Singles- 51-1/4" wide x 97-1/2" high
Pairs- 99-1/2" wide x 97-1/2" high |
Minimum Throat Opening: |
4-3/4" |
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;
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.