Pressed Steel Door Frame, Stainless Steel, 16 gauge,
1/3, 3/4, 1 & 1-1/2 Hour Ratings
Maximum Sizes:
Single Swing - 4'0" by 9'0"
Standard Pairs- 8'0" by 9'0"
Limitations:
Minimum Jamb Depth - (wall thickness) 3 3/4"
For installation in steel/wood stud drywall or masonry openings. Frame is fully welded.