Most doors require a minimum of two hinges.
How to install hinges on a new interior door.
Pull hinge pins and take down old door.
Assuming you re installing a new door you ll need to find the precise location on the door frame.
Some blank doors have a specific swing direction.
How to hang a door in an existing jamb.
Remove knob and lock set.
If the knob is to the right select a right handed door.
Lay old door on top of new door.
One hinge is located 7 inches from the top of the door frame and the other hinge is located 11 inches from the bottom of the door frame.
Align the top edge of both doors and use the existing door as a guide for marking the hinge placement on the new door.
Score and notch the hinge perimeters score the line around the hinges with a utility knife then notch the perimeter and interior of hinge area with a hammer and chisel.
Measure this distance and mark the location on the frame and then do the same on the door that you re hanging.
Open the door and stand with your back to the hinges.
Mount the hinges on the new door and hang the door.
Mark the hinge placement use a speed square to mark the top and bottom of each hinge on the new door.
Make sure it s flush.
Again using the old door as a template with a pencil mark on the new door where the hinges and door knob will be located.
Unscrew the lockset from old door.
3 place the hinge on the door as if it were already.
Close old door and measure up 12 inches from threshold and mark the door.
If you don t need any further adjustments remove the door again then finish it to match the rest of the woodwork and rehang it.
If you have a third hinge typically used for heavy doors it will be placed directly in the middle of the other two hinges.
Remove door from hinge knuckles.
Keep tops and hinge edges flush.
Place the existing door on top of the new 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.
Working from the hinge side or rear of the door take out the door knob and existing lock set.
Place your hinges in the correct location.
If the doorknob is on the left you need a left handed door.