Use wood caulking and place it inside the holes.
How to fill in old door jambs for lock.
For durability and structural integrity it s hard to beat real wood when filling a large hole in a door.
In addition to the slot cut for the mortise lock.
Step 1 fill in the hole before you can fit any covers over the holes you will first need to add some caulking to the wood in order to prevent the wood splitting during temperature changes.
The wood does not need.
Sand rough or splintered edges in the mortise area.
If you want to cover over these holes then you can do so quickly with a few simple household tools.
I sanded it down to size once it was glued in.
Fill any remaining spaces around the patch with wood filler.
When that s done glue the thing in place while lining up the grains as best as possible.
The mortise will be located in the knob edge of the door about halfway up from the floor.
How to fill holes left when a door strike was moved.
Brush or vacuum out all of the dust and sawdust so the wood surface is clean.
A dowel of the proper diameter works well for the rounded hole in the door edge left by the.
You ll want to leave it a little bigger than your actual 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.
Coat the surfaces of the piece that will be going into the hole with glue.
Remove the plate and all of the old hardware from the strike area.