Another option for narrow stile doors is multipoint hardware.
Shown is a typical multipoint mechanism for a pair of doors.
Locks shown have a 45mm (1-3/4") backset.
Levers on passive door are locked when deadbolt on active door is engaged.
When deadbolt is retracted on active door, both doors may be operated.
Available with top and bottom shoot bolts, or for extra strength, hooks that lock both doors together.
Tested with 3000 hours of salt spray, suitable for harsh coastal environments.
May be paired with any Emtek Multi Point Trim.
Other multipoint trims may be used with 92mm lever to profile cylinder measurement.
Shown below is a drawing for this installation.
For more information please call 215-247-0945. We will want to know door thickness, width of stile, thickness of astragal, and desired decorative trim, handing etc.