Aurora 20 minute Polyurethane or LVL core fire door for installation in 20-minute locations (with hose stream). Category B fire door - additional edge-sealing system is required.
Maximum Sizes:
| Single Swing |
36 in. wide x 96 in. high |
| Pairs |
Not permitted |
Limitations: Mortise latches, Cylindrical latches with minimum 1/2 in. bolt throw and up to 2-3/4 in. backset, cylindrical deadbolts, surface applied hardware, viewers, surface mount bolts. Arch-top permitted within dimensions noted above.
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".
