Dunbarton 3 Hour Hollow Metal Kerfed Door Frame
Company: Dunbarton Corporation
PRODUCT
Roll Formed Steel Door Frame (16 gauge) for installation in 3 hour locations in masonry openings and up to 90 Minute locations in steel/wood stud and drywall openings.
| Single Swing |
4'0" wide x 10'0" * high |
| Standard Pair |
8'0" wide x 10'0" * high |
| Double Egress Pair |
Not Allowed |
*Max Height 9' 0" in Stud/Drywall opening
EVALUATED TO THE FOLLOWING
This category includes frames based on UL-63 and includes sidelight/transom assemblies.
These frames are qualified for use in positive pressure assemblies, with Category A doors, or with Category B doors utilizing Category G edge-sealing systems.
These listings will not reference specific door types, as all door types are eligible.
All frames in this category are identified by a label or marking bearing the wording, "Listed Fire Door Frame", and the Warnock Hersey Certification Mark. Frames rated at less than 3 hours will have a time interval noted on the label/marking.
