Adjustable 3-piece extruded auminum (Knock Down) fire door frames for installation in 20 minute locations in steel/wood stud openings. A field applied edge sealing system is required. Refer to frame manufacturer's installation instruction for edge sealing system requirements.
|
Maximum Size |
Min. Wall Thickness |
For use with Door Type |
4'0" wide x 9'0" high
|
3-1/2" |
Listed Wood Flush Fire Door** |
*See Manufacturer's installation instructions for additional information, restrictions and limitations.
**Please see door manufacturer's listing for complete restrictions and limitations.
Testing Standards: UL-10C (Positive Pressure).