Remove the trim molding around the existing door on both sides of the wall with a pry bar.
How to hang a new door on existing hinges.
Drill pilot holes for the hinge hardware so that you don t accidentally split the door s edge.
Temporarily screw the hinge jamb in place by driving two 8 3 inch drywall screws through it.
Once you ve finished mortising the hinges set the door upright and bore the lockset holes.
If you are hanging a slab door to replace an existing door and you still have the original door you can measure your new door slab to fit the frame by aligning it with the old door.
With a sharp chisel and hammer cut the wood in the shape of the hinge.
Cut the door to length with a portable circular saw.
How to hang a door in an existing jamb.
To do this place both doors next to each other on the thin long sides with the hinges on the old door facing up.
If your door sticks make a mark on the edges where it s not closing flush.
Hang your new door and test fit everything.
Check that the door jamb on the hinge side is plumb and shim as necessary.
If the holes in the jamb are too large for the screws use wood glue to secure a short portion of dowel tightly in the hole.
Install the hinge knuckles lock set and door knobs.
Measure the old door to determine what size to cut the new door.
If the holes on your new hinge plates don t match the holes in the screw holes in the door jamb drill pilot holes for the new screws.
Knock the pins out of the hinges with a nail set or punch and a hammer and lift the door out.
One about 2 inches above the top hinge and the other about 2 inches from the center hinge.
If the old door was trimmed at the bottom and you were happy with the gap at the floor cut the new door to match.
Use a utility knife to score the outline.
Align the old and new door slabs if you have the original door.
Install a new door lock and door knob by inserting the latch through the hole for.
Mount the hinges on the new door and hang the door.
Clamp a straightedge to the new door and score the cut line with a sharp utility knife.
Next place your hinge on the door and trace around the hinge with a pencil.