Clamp a piece of plywood to each side of the door lining up the center lines with the center line on the door edge.
Old door enlarge existing door handle hole.
Then bore into the plywood and through the hole behind it.
Measure the size of the existing hole in your door using a tape measure.
When enlarging a lockset hole mark the centerlines of the old hole on the door.
Mar 25 2016 explore bruce wiseman s board home.
Turn the door over remove the plywood disk from the hole saw and use the hole saw to drill through the other side of the door until the two holes meet.
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This old house general contractor tom silva installs an undetectable wood patch in an old door.
They were moved down to 1m but now there are holes where the handles and strike plate used to be.
2 draw a circle on a sheet of plywood measuring the same size as the hole in your door using a compass to make the circle.
Use a hole saw to drill through the plywood and halfway through the door.
Then mark centerlines on the plywood block.
To overcome this problem fasten a piece of 1 2 inch plywood over the existing hole.