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). These doors are eligible for use in any "Category C - Standard Frames"
when installed in masonry walls with the cavities of the frame fully grouted. These doors may also be installed in frames listed in "Category C - Proprietary Frames" in accordance with the frame manufacturer's individual listing.
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 (minimum of 1" in width)
. 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 accordance with the frame manufacturer's individual listing.
Product Covered
Wood core type (stile and rail type), swinging door for installation in up to 20 minute (without hose stream) locations.
Limitations
Mortise or Cylindrical Latches with maximum 2-3/4" backset/VingCard Essence Mortise Card Lock/Surface Mounted Vertical Rod Fire Exit Devices/Rim Type Fire Exit Devices/Mortise Fire Exit Devices/Deadbolts/Surface Mounted Closers/Surface Mounted Protection Plates/Viewer/Surface Mounted Door Bottoms/Mortised Door Bottoms/EPT/Raceway/Reveals.
| Configuration |
Maximum Size |
| Single Swing |
3’-0” wide by 8’-0” high |
| Standard Pairs |
Not Allowed |
| 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.
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.
