Rough opening for doors

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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 ...
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...
This combination is not available.  The 98/9927-LBR-F has only been UL tested as vertical by vertical combination on pairs of fire rated doors.
Any LCN Closer that ends in the number 1, will meet ADA 5 lbs opening forces.
The 5 pound force requirement is in reference to the maximum force to swing the door, not the maximum force allowed to unlatch the exit device.  Maximum allowed force to retract the Von D...
The 4110 Cush closer can be templated for 85°, 90°, 100°, and 110° maximum as standard templates. The 4110 if ordered by ST-3220 will allow templating to 135°
For 33/3549A and 98/9949 cable devices shipped from the factory AFTER 7-15-2016:The door opening height must be specified during order entry. The 33/3549A and 98/9949 cable devices are availab...
 
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...