PRODUCT COVERED
60 Minute Single-Swing or Pairs Mineral Core Flush-Design Fire Doors
PRODUCT DESCRIPTION
Flush-design composite fire door using proprietary Lexington mineral core, stiles, and rails
Maximum Sizes:
Single Swing 4'0" wide by 8'0" high
Pairs 8'0" wide by 8'0" high (4'0" x 8'0" each leaf)
LIMITATIONS
Cylindrical latches with maximum backset 5", mortise lock, dead bolts, surface-mounted vertical rod, rim-type surface-mounted, concealed door closer, 48" X 48" maximum surface plate, Maximum 100 sq. in. lite opening, dust box, raceway, edge guarding, applied molding, surface plate, pivot and continuous hinges, mortise or surface mount automatic door bottoms, louvers and astragals .
RATING
60 Minute fire door single swing or pairs, Category A & B
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. Please refer to individual door listings.
These doors 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 A 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 "UBC-7-2-97/UL-10C". See Positive Pressure Section Header for more information.