Use wedges or shims to hold the door in the frame at a 90 degree angle.
How to hang interior door hinges.
Repeat on the other two hinges.
If the door is heavy have a partner help you hold it in place.
Screw the hinge leaf to the door.
Mortise the hinge openings using a chisel and utility knife photo 4.
Don t fill the hinge up with all the screws yet in case it needs adjusting unless you are hanging a heavy fire check door.
Slide wedges or shims underneath the door so the hinges line up with the mortises on the frame.
Lift the internal door out of the clamp offer it up to the frame at a slight angle and screw the top hinge to the lining first.
Connect the door to the jamb.
Line up the two hinge plates so that the ones on the door match the ones in the jamb.
Once you ve finished mortising the hinges set the door upright and bore the lockset holes.
Position one half of a hinge with the inner knuckles in its mortise on the door.
While replacing an interior door in an existing opening doesn t require many tools it does require patience and care.
Slide the hinge pins into place and remove the blocks from the door.
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.
Hold the door in place using blocks under the bottom to support it if necessary.
You can use a board door lifter to make this easier.
Follow these instructions to hang a solid core door with minimal effort and a higher degree of accuracy.