DW and K-Series frames are designed to slip onto a stud wall after the wall is finished (painted, wall papered, etc).
Walls can be either wood stud or steel stud
Used only for interior applicat...
The rough opening dimensions are the same for either Welded (SUA) or Knock Down (KD) frames
For F, FN, FE, DE, MU three sided frames and four sided borrowed light frames:
New masonry Walls: N...
For DW, K three sided frames and four sided borrowed light frames:
Three sided frame = door opening width (order size) plus 1 1/2" minimum to 2" maximum and the door opening height ...
Industry standards for hollow metal frames installation tolerances have been developed by both the SDI (Steel Door Institute) and HMMA (Hollow Metal Manufacturers). Both standards are based on the ...