Dunbarton 45 Min Steel Door Frame with Sidelights/Transom/Borrowed Lights
Company: Dunbarton Corporation
Roll Formed Steel Door Frame (20 or 18 gauge) (Knock-Down) with Side Lights and/or Transom Lights for installation in 3/4 hour locations in steel/wood stud drywall or masonry openings.
Limitations: 4" x 4" Hinges/Steel or aluminum casing trim for 45 minute locations. Wood trim for 20 minute locations is permitted only on door jambs and head and on perimeter of frame/lights. Wood trim is not permitted in any 45 minute rated locations. Oversize per NFPA 80 require proprietary glazing and glazing compound. Wood trim is not permitted on glazing mullions.
Maximum Overall Dimensions: |
121" wide x 121-3/4" high |
Maximum Door Opening Size: |
3'0" wide x 9'0" high |
Minimum Throat Opening: |
4" |
Maximum Size of Lights - Clear View: |
- 22-3/4" wide maximum by 2,400 sq. in.
- 34-3/4" wide maximum by 1,208 sq. in. |
Glazing Stop Height: |
5/8" |
Evaluated to the following...
Unless otherwise noted, assemblies in this section have been tested to the following standards:
ASTM-E152, Methods of Fire Tests of Door Assemblies;
CAN4-S104(ULC-S104), Standard Method for Fire Tests of Door Assemblies;
CSFM-43.7, Methods of Fire Tests of Door Assemblies;
NFPA-252, Standard Methods of Fire Tests of Door Assemblies;
UL-10(b), Fire Tests of Door Assemblies;
and are installed, unless otherwise noted, in accordance with the following:
NFPA-80, Fire Doors & Windows.
Manufacturer's Instructions.
Listed maximum sizes of lights are based on sizes tested and may exceed local code requirements.
All frames are identified by either a label or embossed marking bearing the wording "Listed (Product)" and the WHI Certification Mark. Frames rated for less than 3 hours also bear the time interval. Frame labels that do not include a time interval are rated for 3 hours.