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.
How to hang a new door on existing hinges.
One about 2 inches above the top hinge and the other about 2 inches from the center hinge.
Clamp a straightedge to the new door and score the cut line with a sharp utility knife.
How to hang a door in an existing jamb.
Align the old and new door slabs if you have the original door.
Use a utility knife to score the outline.
Install the hinge knuckles lock set and door knobs.
To do this place both doors next to each other on the thin long sides with the hinges on the old door facing up.
Mount the hinges on the new door and hang the door.
Mortise the hinge openings using a chisel and utility knife photo 4.
Once you ve finished mortising the hinges set the door upright and bore the lockset holes.
Knock the pins out of the hinges with a nail set or punch and a hammer and lift the door out.
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.
Set old door on top of new door and transfer the hinge mortise locations to the new door using a combination square.
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.
Cut the door to length with a portable circular saw.
Hang your new door and test fit everything.
Install a new door lock and door knob by inserting the latch through the hole for.
Remove the trim molding around the existing door on both sides of the wall with a pry bar.
Check that the door jamb on the hinge side is plumb and shim as necessary.
Temporarily screw the hinge jamb in place by driving two 8 3 inch drywall screws through it.
Next place your hinge on the door and trace around the hinge with a pencil.
With a sharp chisel and hammer cut the wood in the shape of the hinge.
Drill pilot holes for the hinge hardware so that you don t accidentally split the door s edge.
To install door hinges on a new door measure and mark where your hinges need to go on the door frame and on the door you re hanging.