Product Covered/Description
Category A Doors – No Additional Edge-Sealing System Required
Category "A" Mineral Core FRP Faced swinging doors for use in 20 through 90 minute positive pressure assemblies (also eligible for use in neutral pressure assemblies). For use in any "Category C - Standard" frame in accordance with the frame manufacturer's individual listing. These doors may also be installed in frames listed in "Category C - Proprietary" in accordance with the frame manufacturer's individual listing.
Category B Doors – Additional Edge-Sealing System Required
Category "B" Mineral Core FRP Faced swinging door for use in 20 through 90 minute positive pressure assemblies (also eligible for use in neutral pressure assemblies). A field applied intumescent edge seal (Category G) is required for Category “B” applications. Category “B” applications requires two strips of listed Category G intumescent, or a listed Category G full width intumescent edge seal applied to both frame jambs and the header of the frame around the entire perimeter of the opening.
Limitations
Cylindrical / Cylindrical with Deadbolt (cylindrical or mortise) / Mortise / Mortise Exit Device / Surface-Mounted Vertical Rod Fire Exit Devices / Rim-Type Surface Mounted Fire Exit Devices / Surface Mounted Door Bottoms / Surface Mounted Closers or Overhead Stops / Viewer / Vision Kit - Maximum 720 in
2 / Raceway / EPT / Protection Plates.
Maximum Size of Openings
| Configuration |
Maximum Size |
| Single Swing |
4’-0” wide by 8’-0” high |
| Standard Pair |
8’-0” wide by 8’-0” high |
| Double Egress |
Not Allowed |
Tested and Qualified Per:
UL 10C, NFPA 252, and CAN/ULC S104 for a 90 Minute Positive Pressure Fire Rating.
EVALUATED TO THE FOLLOWING...
This category includes doors evaluated with an edge-sealing system (Category G) field-applied to the labeled frame or door. The application of the edge-sealing system does not require any machining of the frame or door. Please refer to "Category G - Edge-Sealing System" for individual manufacturer's listings.
These assemblies 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 B 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 and "UL-10C (Positive Pressure)/NFPA 252/ CAN/ULC S104".
