Install Prehung Interior Door

Prehung doors hang on a jamb that is split into two pieces.

Install prehung interior door. Join us as we discuss 3 options and you decide which one is best for you. Here s how to install a pre hung door. Pre hung doors can make your life much easier but you still need to know a few essentials in order to get the job done right.

Then flip the level end for end and check the bubble. Use shims on the side of the door with the hinges to remove the gaps between the trimmer stud and the door frame. Position the pre hung door.

Pro tips for how to install a prehung door. Typically both jambs are furnished with casings already attached. Memorize the bubble s position.

Nail the door frame to studs. Check the length of your prehung door jambs. An accurate level is crucial for a good installation.

The door should be square. The door is attached to the main jamb which is installed first. A prehung door usually has a 1 1 4 inch gap at the bottom of the door.

If you plan to install hardwood floors which are 3 4 inch thick you should cut down the jambs by 7 8 inch 3 4 inch for the floor plus 1 8 inch to reduce the gap under the door. I m going to show you how to install a prehung door in less than 12 minutes. The split jamb has a groove under the stop so it can slide over the edge of the main jamb.