Inactive slab will remain stationary but will be functional either by handle set to active 3 point or by manual shoot bolts please refer to the layout pictures on the exterior door field measuring sheet for reference.
How to measure front door handleset.
How to measure for bifold closet doors.
The center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door.
Doorjamb the hole in the doorjamb should measure at least 7 8 in diameter and a minimum of a 1 2 deep.
The standard residential door prep for entry doors is two 2 1 8 bore holes 5 1 2 center to center.
The latch will fit into the 1 inch hole.
Two standard backsets are 2 3 8 and 2 3 4.
Sectional handlesets have a seperate deadbolt body so the b measurement is actually variable.
However it is a bit tricky to measure the bi fold closet doors as you have to keep in mind that the doors will fold on themselves.
1 measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Backset the distance from the edge of the door to the center of the lock bore.
Two standard backsets are 2 3 8 and 2 3 4.
In most cases the door set which is inside of the door and controls the door latch.
Other backsets include 2 used by national and lori lock and 5 used by weiser weslock kwikset and others.
This is the backset dimension bore a 1 inch hole in the edge of the door located on the centerline of the 2 1 8 inch hole.
It should measure 8 1 2 from the center of the handleset crossbore to the throughbolt.
Bore a 2 1 8 inch hole through the door.