Hollow Metal Type (16, 18 gauge) (Steel-Faced) (Vertically-Stiffened), Swinging Flush Design Fire Door for installation singly or in pairs in 1-1/2 hour locations.
Limitations: Unit, Mortise or Cylindrical Latches/Lights - 100 sq.in./Mortised or Surface Mounted or Automatic Top and Bottom (Flush) Bolts.
| Maximum Size of Openings: |
Singles - 4'0" wide x 8'0" high
Pairs - 8'0" wide x 8'0" high |
