If you re installing a pre hung door make sure you get the correct swing determined by the placement of the hinges and doorknob.
Chisel door frame hinge.
Corner wood chisel squaring tool for cutting square mortised door hinge recesses square off mortises for frames box tops lids doors and flip up drawers 4 5 out of 5 stars 65 11 99 11.
With your chisel s beveled edge flat against the door s edge gently tap to remove material within your score marks.
Whichever type you use there are a variety of styles available to match your home decor.
Before cutting your door hinge mortise place your hinge on top of the door and outline it with a pencil.
Work from the knuckle side in until the mortise floor is flat.
To cut hinge.
Place the hinge in its mortise to see if it s flush with door surface.
Open the door and stand with.
Using a utility knife trace along the outline to create small groves then make a cut on the front or back side of the door indicating the mortise s depth.
If not drill or chisel until it is.
To do a good job cutting mortises the chisel needs to be razor sharp.
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.
Move the chisel as needed to cut along the full width of the mortise.
Hinge mortises on a door are often cut by machine with a router and straight bit but you can cut mortises by hand using a hammer and chisel as well.
Go slowly and test fit your hinge a few times until you get it mounted flush.
The hinge mortise allows the hinge to be mounted flush with the jamb and door so the door will close properly.
Holding a chisel bevel side up with one hand on the blade and one on the handle slice away any wood that the bit couldn t reach.
You want to make a nice flat surface for your hinge to lay into.
Hold the chisel vertically about 1 8 inch away from one end of the mortise outline inside the waste area.
Score around the plate with a sharp utility knife.