Wood Core Type (DSR 44/45/46/47 Sound Core), Acoustic Fire Door for installation singly in 20 minute locations (with Hose Stream). A Category G field-applied edge seal system is required for Category B applications and across the head for Category A applications. For use in any "Category C - Standard" frame. These doors may also be installed in frames listed in "Category C - Proprietary" in accordance with the frame manufacturer's individual listing. Please refer to the individual manufacturer's Category G listing for limitations.
Limitations*
Mortise or Cylindrical Latches with maximum 2-3/4” backset/Interconnecting Locks/Deadbolts/Pivot Hinges/Surface-Mounted Stops/Surface-Mounted Closers/Magnetic Switch/Viewer/Vision Light Kit – Maximum 100 sq. in./Surface-Mounted or Mortised Door Bottoms/Edge-Guards/Kick Plates/
* See manufacturer’s installation instructions for additional information on Smoke and Draft Control, size restrictions, and limitations.
Maximum Size of Openings
Maximum Height
8’-0”
Maximum Width Single
4’-0”
Maximum Width Pair
Not Allowed
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".
