FIRE RESISTANT PRODUCTS & COMPONENTS
Category “A” Doors – No Additional Edge-Sealing System Required
Category "A" Wood Core, swinging door for use in 20 minute positive pressure assemblies (also eligible for use in neutral pressure assemblies).
Category “B” Doors – Additional Edge-Sealing System Required
Category "B" Wood Core, swinging door for use in 20 minute positive pressure assemblies (also eligible for use in neutral pressure assemblies). A surface applied Category G intumescent edge seal system is required
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Product Covered
Wood Core Type (Stile & Rail Type), Swinging door for installation in up to 20 minute (without hose stream) locations. These doors are eligible for use in any "Category C - Standard Frames". These doors may also be installed in frames listed in "Category C - Proprietary Frames" in the accordance with the frame manufacturer's individual listing.
Limitations
Mortise or Cylindrical Latches with maximum 2-3/4" backset/Mortised Fire Exit Devices/Surface Mounted Vertical Rod Fire Exit Devices/Rim Type Fire Exit Devices/Deadbolts/Surface Bolts/Automatic Flush Bolts/Surface Mounted Closers/Surface Mounted Protection Plates/Viewer/Surface Mounted Door Bottoms/Metal Edge or Astragal Not Required.
| Configuration |
Maximum Size |
| Single Swing |
3’-6” wide by 8’-0” high |
| Standard Pairs |
7’-0” wide by 8’-0” high |
| Double Egress |
Not Allowed |
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.
The door noted above is 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.
