Pressed or Roll Formed Steel Door Frame (18 gauge) (Welded Up or Knock-Down) for installation in 1-1/2 hour locations in steel stud/wood stud drywall or masonry openings.
Maximum Size of Openings 3'0" wide x 7'0" high
Maximum Overall Dimensions 36" wide x 83-1/4" high
Minimum Throat Opening 3-3/4"
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.
