Product Covered
90 Minute to 3-Hour Hollow Metal Doors
Product Description
Hollow Metal Type (minimum 18 gauge) (Steel-Faced) (Vertically-Stiffened), Swinging Flush Design Fire Door for installation singly or in pairs, including double egress, in up to 3 hour locations, for installation in masonry openings
Maximum Sizes – 90 Minute Doors:
| Single-Swing |
4'-0" x 10'-0" |
| Dutch Door (single) |
4'0" x 8'-0" |
| Pairs |
8'-0" x 10'-0" |
| Double Egress |
6'-10" x 10'-0" |
Minimum thickness: 1-3/4"
Maximum thickness: 2-1/4"
Maximum Sizes – 3 Hour Doors:
| Single-Swing |
4'-0" x 9'-0" |
| Dutch Door (single) |
4'0" x 8'-0" |
| Pairs |
8'-0" x 9'-0" |
| Double Egress |
8'-0" x 10'-0"* |
Minimum thickness: 1-3/4"
Maximum thickness: 2-1/4"
*Requires 4 pt latching and astragal for heights over 8'0"
Limitations: Mortise or Cylindrical Latches/Surface Mounted Vertical Rod Fire Exit Hardware/Surface Mounted Rim Type Fire Exit Hardware/Mortised or Surface Mounted Top and Bottom Bolts. Astragal required for double egress doors. Maximum 100 in
2 lights for 90 minute doors. Lead lining within core permitted.
Evaluated to the Following
This category includes doors evaluated without an edge-sealing system between the door and frame. It also includes doors evaluated with a sealing system incorporated (concealed or visible) into the edge of the door by the licensed manufacturer or machining distributor.
Meeting edges of pairs may require an astragal or an edge-sealing system. Please refer to individual door listings.
These doors are eligible for use in any "Category C - Standard" frame. These doors may also be installed in frames listed in "Category C - Proprietary" in the accordance with the frame manufacturer's individual listing.
All doors listed in Category A are eligible to bear the "S" (for Smoke & Draft Control assemblies) if a listed "Category H - Smoke & Draft Control Gasket" has been applied to the assembly. Please refer to Category H for individual gasket manufacturer's listings.
All doors in this category are identified by a label or marking bearing the wording, "Listed Fire Door", a time interval, a temperature rise rating, a serial number, and the Warnock Hersey Certification Mark. See Positive Pressure Section Header for more information.
