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Sizing the Exit Device
Standard Door Widths and Mounting Hole Spacing
Exit Device Length
Regular (R)
Midlength (M)
Long (L)
Standard Door
Width
No Cut Required
36”
42”
48”
Minimum Door
Width Exit Device
Can Support
30”
30”
42”
NOTE: All EX Series Exit Devices are sized at the factory for 5/8” frame stop in narrow stile aluminum
applications.
1. DETERMINE cut off dimension “B” Back Bar extrusion length by subtracting 3-7/8” from door
opening width.
2. MARK cut off line “B” on Filler Plate and Back Bar.
3. REMOVE Filler Plate from Back Bar and CUT along lines on both pieces. REPLACE Filler Plate into
Back Bar.
IMPORTANT NOTE: Do not cut Active Push Bar
“B”
