If the deadbolt comes with an interior plate and a decorative.
How to install new locks on old door.
Install the faceplate on the edge of the door and fasten it with the screws provided.
How to install new door locks 1.
Refer to this when you buy your new lockset to make sure the hardware is compatible.
Measure up from the finish floor 36 inches or the height of other knobs in the house and mark the door s edge.
The measurement is usually 2 3 8 inches for interior doors and 2 3 4 inches for exterior doors.
Open the door and remove the screws from the interior.
Remove the existing door lock from the door if there is one.
If the new plates are slightly larger than your old deadbolt mark a line around the new faceplates and chisel.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
Simply break the toothpick off after inserting it.
If the screws for the new lock are slightly smaller than the old ones you can use a toothpick to a wedge between the side of the original screw hole and the new screw.
Insert the exterior part of the lock into the door by feeding the long metal piece through the opening in the center of.
With a square extend this mark across the door s edge and 3 inches onto one face.
The most comprehensive method of ensuring security it involves removing the existing lock from the door including the handle if it s a handle lock combo and then installing.
If you re installing a lockset in an existing door take out the old lockset and measure the backset the distance from the door edge to the center of the lockset hole.
Open the door halfway and tap two shims one from each side between the floor and the door bottom to hold it steady.