Steel Frames (Welded Up) for Borrowed Lights (fire windows) and Transom / Sidelight Door Frame assemblies for installation in masonry and drywall openings in 20 and 45 minute locations.
MAXIMUM RATING
45 Minute Transom and/or Side Light
MAXIMUM SIZE
| |
45 Minute |
20 Minute |
| Transom/Side Light |
13'6" wide x 12'0" high |
13'6" wide x 12'0" high |
| Borrowed Light (Window) |
11'4" wide x 10'0" high |
13'2" wide x 9'7" high |
Maximum Glazing Sizes:
Maximum Rating: 45 Minute
Maximum Visible Area: 1296 in.²
Maximum Visible Width: 54 in.
Maximum Visible Height: 54 in.
Glazing Material: Wired Glass
Note: Fire door frame assemblies rated for 60 minutes and equipped with transom lights and/or sidelights constructed of 3/16 in. thick. Firelight glazing material for installation in walls at least 4-7/8" thick are intended for use with fire doors rated 60 minutes. Only DAP33, 100% silicone or Metacaulk 990 glazing compounds may be used to install Firelite.
MINIMUM THROAT OPENING
Minimum throat opening allowed: 3-1/2 inches
Evaluated to the following:
This category includes frames not based on ANSI-A155.1/UL-63 construction Type (such as aluminum, wood, light gauge steel, composite, etc.). These listings will reference specific door types for which each frame is qualified. All frames listed in this section may be used in positive pressure assemblies per the terms and limitations of the individual listing.
All frames in this category are identified by a label or marking bearing the wording, "Listed Fire Door Frame", the Warnock Hersey Certification Mark, "UBC-7-2-97/UL-10C. Frames rated at less than 3 hours will have a time interval noted on the label/marking. See Positive Pressure Section Header for more information
