FAQs

Question
Answer
The Minimum single door opening should be 26.32" and use the 299 or 499F strike.
55 and 88 are both crossbar exit devices.  55 Series is used on narrow stile applications, 88 is for wider stile applications. See attached tables for 55 and 88 series minimum stile requirement...
The 2030 closer requires a minimum 1-3/8" top rail on the door for the standard track.  For a top rail less than 1-3/8" and as narrow as 1", you could use the l...
Yes. Multiple glass lights are available on specific door series as  a special option as noted below: L-Series and SL-Series: Core options - Standard honeycomb, polystyrene, polyurethane Lig...
When templated for 140° the 4010 will fit on a 16-1/2" door leaf MINIMUM.
The ND lead lined option is specified by XN12-307 and consists of two 1/16” thick rose plates, a single 1/8” button/cylinder plate and a 1/16” latch sleeve.
Conversion kits are available to convert many popular functions.Conversion kits manufactured on or after January 30, 2017 will have the new enhanced ND spring cage, lever, plunger and buttonCo...
For all available ND Series Conversion Kit part numbers, click here.
ND82PD (ANSI F87) Institution Lock  Both levers fixed. Entrance by key in either lever.
ND85PD (ANSI F93) Faculty Restroom Lock  Outside lever fixed. Entrance by key only. Push-button in inside lever activates visual “occupancy” indicator, allowing only emergency master key to ...
ND93PD (ANSI F88) Vestibule LockLatch retracted by key from outside when outside lever is disengaged by key in inside lever. Inside lever is always unlocked.  ND95PD (ANSI F110) Classroom Securit...