Maximum rating of 90 minute Window Frame (Fixed). Maximum sizes: area of total assembly shall not exceed 9216 square inches with no dimension exceeding 8 feet. If opening size exceeds 8 feet or multiple units are required, then window units shall be anchored to fire rated structural members (drywall or masonry) at head, sill, or jambs. Any one piece of glazing shall not exceed the maximum width, height, and area as indicated in the table below *.
The use of one maximum size 5000 Series single swing door assembly in conjunction with up to three 5000 Series window assemblies in a single configuration is allowed.
Maximum Visible Glass Sizes: *
Height |
Width |
Area |
81-1/2” |
46” |
2750.6 in2 |
* Any visible glass opening larger than indicated in the table above must be divided by a mullion.
Evaluated to the following:
Unless otherwise noted, assemblies in this section have been evaluated for conformance to the following standards:
CAN/ULC-S106, Standard Method for Fire Tests of Window & Glass Block Assemblies.
NFPA-257, Standard Method for Fire Tests of Fire Window Assemblies.
UL-9, Fire Tests of Window 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 assemblies are identified by a label or marking bearing the wording "Listed Fire Window Frame", a time interval, a serial number and the WHI Certification Mark.