Starting at the bottom take the hinge screws out of the jamb.
How to hang a prehung garage door.
Cut off the shims at the edges of the jambs.
Put the door in the opening and slide it until the jamb is flush with the wall.
Slide the pre hung door into the rough opening.
Take out the fasteners.
Double check to be sure the door opens in the desired location and direction.
Install a new door lock and door knob by inserting the latch through the hole for the new parts.
The door should be square.
The door is attached to the main jamb which is installed first.
Check out these easy to follow tip on how you can install a pre hung exterior door.
Install a drip cap or z flashing above the opening.
Use shims on the side of the door with the hinges to remove the gaps between the trimmer stud and the door frame.
Install latches door handles and other hardware.
If there s interior trim remove that from the door as well.
Insert the lockset tailpieces through the latch bolt and screw the handles together by tightening the retaining screws.
To install set the corner pieces on the sill then place the middle piece over top.
Check out these easy to follow tip on how you can install a pre hung exterior door.
The split jamb has a groove under the stop so it can slide over the edge of the main jamb.
Remove the screws or nails that hold the old frame in place.
Using shims avoids the necessity for rebuilding the door opening to fit the pre hung door.
Typically both jambs are furnished with casings already attached.
If it s too wide cut the ends with a hacksaw.
Complete the installation.
Remove the old door.
You already know the standard approach to hanging a door.
Place door shims at the top and bottom hinge locations using a long level or a straight board and a short level.
Use a drywall saw to cut shims or score them with a utility knife and snap them off.
Then add the center door shims.
Some kits come in three pieces to better fit the opening.
Set it in the rough opening then level shim and nail it.
With all the screws out take the door from the frame and trash it.
Avoid damage to the screws by using a hand screwdriver.
Have another person hold the pre hung door in place while you install wooden shims where necessary.