Wood Door Frame (Douglas Fir or Denser Specie) (Knock-Down) for installation in 20 minute locations in steel/wood stud drywall openings.
| Maximum Size of Openings: |
4'0" wide x 7'0" high |
| Maximum Overall Dimensions: |
52" wide x 86" high |
| Minimum Wall Thickness: |
3-3/4" |
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;
CAN/ULC-S104, Standard Method for 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.
