Category B Doors – Additional Edge-Sealing System Required.
Two strips or a full width listed surface applied intumescent is required on the head of the frame assembly and along the vertical edges of the frame assembly.
Product Covered
North Atlantic Corporation – 20 Minute with Hose Stream Wood Faced Flat and Raised Panel Door Assembly
Product Description
Wood faced flat and raised panel (proprietary construction), single swing fire door for installation in 20 minute single swing locations (with hose stream). These doors are eligible for use in any listed hollow metal frame (Category C – Standard) and in any fire rated solid wood frame (Category C – Proprietary) in accordance with the frame manufacturer’s individual listing.
Limitations*
Cylindrical Latch/Mortise Latch/Rim Type Fire Exit Devices/Surface Vertical Rod Exit Devices/Deadbolts/Surface Mounted Closers/Surface Mounted Protection Plates/Viewers/Surface Mounted Door Bottoms.
| Configuration |
Maximum Size |
| Single Swing |
3’-0” wide by 8’-0” tall |
| Standard Pairs |
Not Allowed |
| Double Egress |
Not Allowed |
*See manufacturer’s installation instructions for additional information on Smoke and Draft Control, size restrictions, and limitations.
All doors listed as Category B are eligible to bear the “S” (smoke and 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.
Evaluated to the Following
Unless otherwise noted, the product listed above in this section has been evaluated for conformance to the following standards.
- UL 10C – Positive Pressure Fire Tests of Door Assemblies.
- NFPA 252 – Fire Tests of Door Assemblies.
- CAN/ULC S104 – Standard Method for Fire Tests of Door Assemblies.
