Steel Covered Hollow Metal Type (18, 16, 14 gauge) (Vertically Steel-Stiffened), (Mineral Wool Filled, or Kraft Honeycomb Filled, or Polystyrene Foam Filled). ('B' Series*), Swinging Flush Design Fire Door for installation singly or in pairs in up to 3 hour locations.
*Doors manufactured as ''B' series for storm-resistant applications may be identified as PW series.
Limitations:
Active Leaf - Single Point Latch or Fire Exit Hardware.
Inactive Leaf - Surface or Mortised Top and Bottom Bolts/Surface Mounted or Concealed Vertical Rod Fire Exit Hardware. 16 & 18 gage door pairs can incorporate an Open Back Strike on one leaf used in conjunction with a listed single point latch or fire exit hardware on the opposing leaf. Listed surface mounted or concealed vertical rod fire exit hardware, or self-latching or automatic flush bolts, are required on leaf in which the open-back strike is mounted.
Astragal required on 3-hour pairs, optional on 1-1/2 hour pairs.
Louvers - 24" x 30" maximum, but not permitted on doors with glass lights.
When each leaf of a standard swing pair is equipped with listed concealed or surface mounted vertical rod fire exit hardware,the maximum rating shall be 1-1/2 hours, and the astragal shall be omitted. Double egress pairs for a maximum or 1-1/2 hours may have the astragal omitted.
MAXIMUM SIZES
Maximum Size of Openings/Fire Ratings: |
Singles (18, 16 gauge) (1-3/4") |
Single Point Lock or
Fire Exit Hardware |
4'0" wide x 10'0" high
3 Hour Maximum |
Singles (14 gauge) (1-3/4") |
Single Point Lock or Fire Exit Hardware |
4'0" wide x 8'0" high
3 Hour Maximum |
Singles (14 gauge) (1-3/4") |
Single Point Lock or Fire Exit Hardware |
4'0" wide x 10'0" high
1-1/2 Hour Maximum |
Pairs (18, 16, 14 gauge) (1-3/4") |
Single Point Lock or Fire Exit Hardware |
8'0" wide x 8'0" high
3 Hour Maximum |
Pairs (18, 16, 14 gauge) (1-3/4") |
Single Point Lock or
Fire Exit Hardware |
8'0" wide x 10'0" high with astragal
1-1/2 Hour Maximum |
Pairs (18, 16, 14 gauge) (1-3/4") |
Single Point Lock or
Fire Exit Hardware |
8'0" wide x 8'0" high without astragal
1-1/2 Hour Maximum |
Pairs (18, 16, 14 gauge) (1-3/4") |
Two Vertical Rod Fire Exit Devices (SVR or CVR) |
8'0" wide x 10'0" high without astragal
1-1/2 Hour Maximum |
Pairs (18, 16 gauge) (1-3/4") |
Single Point Lock or Fire Exit Hardware With Open Back Strike Without Astragal |
8'0" wide x 8'0" high
1-1/2 Hour Maximum |
Double Egress Pairs
(18, 16 gauge) (1-3/4") |
Fire Exit Hardware |
8'0" wide x 10'0" high
3 Hour Maximum |
Double Egress Pairs
(14 gauge) (1-3/4") |
Fire Exit Hardware
|
8'0" wide x 8'0" high
3 Hour Maximum |
Double Egress Pairs
(18, 16, 14 gauge) (1-3/4") |
Fire Exit Hardware |
8'0" wide x 10'0" high with astragal
1-1/2 Hour Maximum |
Double Egress Pairs
(18, 16, 14 gauge) (1-3/4") |
Fire Exit Hardware |
8'0" wide x 8'0" high without astragal
3/4 - 1-1/2 Hour Maximum |
Double Egress Pairs
(18, 16, 14 gauge) (1-3/4") |
Fie Exit Hardware |
8'0" wide x 10'0" high without astragal
20 Minute With or Without Hose Stream |