Installing An Interior Door Frame
Make sure your door is going to fit into the opening.
Installing an interior door frame. Nail the jack studs to the bottom plate with 16d nails and to the sides of the king studs with 10d nails. Ask this old house general contractor tom silva shows a homeowner the proper way to install a pre hung interior door for a closet. Attach the door frame to the door opening.
Measure the height of the opening and then measure the width at both the top and the bottom. Move the door frame into the opening. Then use a nail gun to secure the 2 pieces together before attaching the other side of the jamb in the same way.
To install an interior door start by drawing a plumb line down the wall that s 1 2 inch from the opening of the doorway on the hinge side. If the knob is to the right select a right handed door. Mount the frame and attach the door mount the casing of the door onto the wall framing.
After the frame is set i usually like to hang the door to check the fit and twea. On the hinge side start with the bottom and top of the jamb. The door frame should be slightly smaller than the opening it fits to allow for adjustments.
Open the door and shim the bottom edge of the open door to keep the frame tight against the stops on the other side. If the doorknob is on the left you need a left handed door. Next add glue to the end of 1 of your longer pieces of wood and attach a shorter piece to it.
Some blank doors have a specific swing direction. Slip shims under the side jamb until the head jamb is level. See below for a shopping.