Use wood caulking and place it inside the holes.
How to fill in old door jambs for lock.
In addition to the slot cut for the mortise lock.
Tap the piece of wood into the hole with a hammer until its face is flush with the face of the door or door jamb that is being patched.
You ll want to leave it a little bigger than your actual door.
Brush or vacuum out all of the dust and sawdust so the wood surface is clean.
The wood does not need.
The mortise will be located in the knob edge of the door about halfway up from the floor.
Filling a mortise from an old lock is the essential first step to installing a new lock or using the door for other purposes such as a desktop or other use.
Mix the epoxy.
Remove the plate and all of the old hardware from the strike area.
If you want to cover over these holes then you can do so quickly with a few simple household tools.
For durability and structural integrity it s hard to beat real wood when filling a large hole in a door.
After i sanded this to the correct size i used a chop saw to cut it to the correct thickness by cutting off the piece with the bolt through it.
When that s done glue the thing in place while lining up the grains as best as possible.
Fill any remaining spaces around the patch with wood filler.
I sanded it down to size once it was glued in.
Coat the surfaces of the piece that will be going into the hole with glue.
Sand rough or splintered edges in the mortise area.