If the existing jamb is out of square it will show up along the top.
How to cut out hinges on door jamb.
Set the depth of the cut to be the same as the depth of your hinge so that the hinge will rest flush on the door.
Hook the tape measure into the side jamb rabbets or dadoes and measure down a distance equal to the.
Hold the chisel at a low angle to the door parallel to the door s length with the flat side of the chisel against the wood.
Using a chisel support the door between sawhorses with the hinge edge facing up and measure the positions of the hinges.
Door hinge being chopped out i have already got 2 hinges but i wanted a third hinge as i have changed the doors for fire doors and are very heavy.
Be careful not to cut deeper than the hinge thickness.
Cut the head jamb to a length equal.
Place one of the hinges on the edge of the door with its top edge on the top mark.
Attach the included router bit to your router.
Lightly tap the chisel with a hammer to remove the waste between each of the cut lines inside the mortise.
Using a utility knife cut vertically down into the door following the tracing and cutting to a depth of 3 16 inch.
Once you re happy with the outline remove your hinge from the door.
Because we haven t routed for the hinges yet and they are still attached to the jamb it should be a snug fit for the width.
Scribe the hinge leaf outline onto the door edge with a sharp utility knife.
Score the outline with a utility knife.
Hold the hinge against the side of the.
Then grab a utility knife and extend the blade to no more than 25 in 0 64 cm.
How to do it measure and cut.
Adjust the hinge so the pin is flush.
Place the tip of a chisel vertically in.
Attach the jig to your door by screwing it in on both the top and bottom you can fill repaint these holes later.
Place the jig in the correct spot on your door.