Extruded Aluminum Door Frame (Trimstyle) (Knock-Down) for installation singly or in pairs in 20 minute locations (without hose stream) in steel/wood stud drywall and masonry openings.
Limitations: Use with 20 minute Fire Rated, Negative/Neutral Pressure Tested, Flush Type Doors or VT Industries 20 minute Fire Rated, Flush Type Positive Pressure Tested Doors. Rectorseal "Blazeseal" intumescent strip must be applied to frame per manufacturer's installation instructions. Cylindrical latches with maximum 2-3/4" Backset/Surface Mounted Bolts or Manual Flush Bolts/Surface Mounted Vertical Rod Fire Exit Hardware and Steel or Aluminum astragal for pairs.
Rating |
Maximum Size |
Wall Construction |
Door Type |
20 Minute |
Single Swing: 3'0" wide x 8'10-1/2" high 4'0" wide x 8'0" high Pairs: 6'0" wide x 8'10-1/2" high |
Steel/Wood Stud & masonry |
Flush Wood |
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.