Inject a liberal amount of foam to be sure the entire area under the damage is filled.
Patching door lock hole for reuse.
Hold the knife at a slight angle to create a beveled cut and use a gentle sawing.
This will provide a ledge of sorts for the foam insulation to sit until it is dry.
How to repair hollow core door holes.
Step 1 remove any loose pieces from around the hole.
Use your utility knife if needed.
A dowel of the proper diameter works well for the rounded hole in the door edge left by the.
Remove the four corner screws from the plate on either side of the door and pry the plates away gently with a flat screwdriver blade.
Use insulating foam sealant to fill the hollow area behind the defect in the door panel.
Remove the set screw under the edge of the inside handle and pull both knobs from the door.
Replace the plate fill the gap at the top or bottom with wood putty and refinish.
If the latch does not reach the strike plate shim out the plate or add another strike plate on top of it remove the screws and run them through both plates.
Insert the tube into the damaged area so that the foam sticks to the back of the other side of the door and fills the void completely between the door panels.
Tap the dowel plug into the hole as far as possible aligning the grain pattern of the dowel rod vertically.
Allow the glue to dry overnight.
Step 2 stuff some paper towels down inside the hole.
Apply glue to the interior of the hole.
For durability and structural integrity it s hard to beat real wood when filling a large hole in a door.
Cut away ragged edges around the hole using a sharp utility knife the kind with retractable snap off blades.
If the latch still will not reach shim out the door s hinges.