Hollow Metal Type (14 or 16 gauge Steel) Fire Door Frame for installation singly or in pairs in 1-1/2 hour locations.
Maximum Size of Openings: |
Singles - 4'0" wide x 8'0" high Pairs - 8'0" wide x 8'0" high Multiple Opening - 8'0" wide x 8'0" high with each individual opening not to exceed 4'0" wide x 8'0" high |
Construction:
Only two single swing openings with a central, fixed or removable mullion are allowed.
The mullion may be used as a hinge jamb to attach one or both doors in the two openings. See Figure 1 for details.
This frame may be used in masonry walls as well as steel stud/wood stud drywall.
Evaluated to the following:
Unless otherwise noted, assemblies in this section have been evaluated for conformance 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 for Fire Tests of Door Assemblies
UBC-7-2-94, Uniform Building Code
UL-10(b), Fire Tests of Door Assemblies
and are installed in accordance with the following:
NFPA-80, Fire Doors and Windows
Manufacturer's Instructions.
All assemblies are identified by a label or marking bearing the wording, "Listed (Product)", a time interval, temperature rise (if applicable), a serial number and the WHI Certification Mark.
(Unless otherwise specified, all Fire Doors have a nominal thickness of 1-3/4".)