Fold this template around the edge of the door at least 6 inches above.
How cut into door for locks.
With a square extend this mark across the door s edge and 3 inches onto one face.
To prepare the mortice slot for the lock start by marking the centre of the thickness of the door.
Using a sharp 1 inch wide chisel cut a series of parallel lines into the jamb about 1 4 inch apart staying within the scored lines and holding the chisel perpendicular to the wood.
This ensures you don t splinter the wood on the face of the door as you blast through drilling from just one side.
Place the edge of a sharp chisel into any of the mortise outline grooves.
The outer face of the strike plate should be flush with the edge of the door frame.
Knowing how to cut a mortise is essential for installing a deadbolt lock.
Tap a chisel into the scored outline.
Position the strike plate on the jamb so it is centered on both lines.
You want to drill part way into one side of the door stop and then start to drill from the other side.
The body of the lock can be used as a template which you should hold against the correct position on the door and mark with a pencil.
Draw around it carefully always keeping it central to the mark that you made.
With the large hole cut it s now time to drill the small 1 inch hole in the edge of the door.
Fit the latch and faceplate into the door.
Then gently tap the back end of the chisel with a hammer or mallet pushing it into the door.
Use a bevel edge chisel and hammer to square the corners of the mortise if the faceplate has square corners.
Remove the deadbolt from its packaging and take out the instruction sheet with the template for marking the holes on the door.
You ll need to cut a mortise a small shallow recess in the wood of the door and doorjamb for the latchbolt and strike plate to rest.
Measure up from the finish floor 36 inches or the height of other knobs in the house and mark the door s edge.
Score around the plate with a sharp utility knife.
Fortunately cutting out this mortise isn t nearly as difficult as it sounds.
Open the door halfway and tap two shims one from each side between the floor and the door bottom to hold it steady.