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.