what is rough opening width

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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 ...
POCKET DOOR FRAME: A frame designed to allow a door to slide inside a pocket located within the cavity of a wall. The hinge jamb of the frame is replaced with a 2 piece jamb without a stop. I...
The minimum door widths for mounting a Senior Swing are: Concealed 2810 Series: 2811 single door (offset pivot or butt hinge) -- 33". 2811 single door with stop (center pivot) -- 36". 2853 pa...
The minimum clear opening width for ADA is 32" measured from face of door opened to 90 degrees to face of stop on strike jamb. There must be no hardware mounted to the door projectin...
Clear Opening Width for swinging doors is measured (with the door open 90 degree) from the face of door to stop soffit on strike jamb.          &nbs...
The minimum door opening width (for mounting a pair of 4640 or 4630 operators on a double door) is 72" wide (2 - 36" door leaves). Mounting the 4640 or 4630 on a double door that is less than 72" w...
The Minimum single door opening should be 26.32" and use the 299 or 499F strike.
Frame Installation Clearance
Nominal opening width, Nominal Width
A Double Egress frame is a double door frame prepared to receive two single-acting doors swinging in opposite directions (both doors are) the same hand. These openings are installed in cross corrid...