double egress rough opening

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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 ...
Types of astragal offered from Steelcraft are as follows: "Z" Astragal - For information on "Z" astragal types and attachment refer to the TD Manual page 3.3.17. Most commonly used on double ...
Double Egress Opening: A pair of swinging doors, each leaf which swings in the opposite direction of the other. DOORS: A pair of doors swinging in opposite directions without a vertical mullion....
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...
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...
There is no mullion for double egress openings.  Mullions only applies to the doors that open in the same direction.
An LCN 4040T with a reveal deeper than 1/8" on the pull side of the opening requires a Double Egress (DE)arm. ST3073 Standard 4040T DE Arm will accommodate reveals up to 2-11/16"....
Yes, wood doors can be used and installed in most hollow metal frame applications including FE-Series and DE-Series Double Egress frames. Caution - For fire rated applications the wood door manufa...