Replacing Interior Doors With Prehung

If you are hanging a door on a finished floor you cut 3 4 quot.

Replacing interior doors with prehung. Open the door and stand with your back to the hinges. If you are hanging a pre hung door on a bare subfloor you put the door right on the floor and install it. Pro tips for how to install a prehung door.

Some exterior pre hung doors come with brick molding already attached. If the knob is to the right select a right handed door. If the bubble doesn t settle in the exact spot find an accurate level.

If you re installing a pre hung door make sure you get the correct swing determined by the placement of the hinges and doorknob. Some blank doors have a specific swing direction. Off the bottom of the jamb then install.

25 year carpenter here here are the cold facts of the trade in almost every job in the world. If the doorknob is on the left you need a left handed door. Should this be necessary or desirable place a small block of wood on the back side of the molding and tap lightly with hammer working around door until molding comes off.

An accurate level is crucial for a good installation. Place the new prehung door with the door slab attached to the hinges in. Check it by laying it on a flat surface.

Memorize the bubble s position. Position a tapered shim on the floor for the hinged jamb to rest on. Check the length of your prehung door jambs.