Changing Door Frame Size

Use your old trim as a sizing guide or hold the new trim against the door frame.

Changing door frame size.

Framing rough opening sizes are really quite simple. Discovering that a door is too short or narrow for the opening in which you want to hang it may be an uh oh moment but it isn t a major problem. The most common door height is 80 inches although most are available 78 inches tall as well. If your door frame is damaged the best thing to do is to replace it with a pre hung door which comes inside a pre built frame.

If the siding is so far out of plumb that the door frame and casing don t fit in either cut back the siding or trim the casing. The door jamb is the frame that installs in the wall and supports the door via hinges. Some blank doors have a specific swing direction. This will give you room to space the door frame off of the sub.

Just add 2 to the width of the actual door size. First purchase some trim from the home improvement store. Hold a level against the hinge jamb and adjust the door and frame until the jamb is plumb. Then set the door in the opening for a test fit.

However if your doorway is square or if the existing trim is difficult to replace you can keep the doorway and replace the door. Then install a pre hung door and replace the trim. Check to see how the casing fits against the siding. If the knob is to the right select a right handed door.

Unless your house is very old you ll have little problem finding a door to fit. You should add 2 1 2 to the height of the actual door. Open up the entire area both inside the room and out with. Measure the new trim against the door.

If you have a little carpentry experience this is likely a project you can tackle by yourself. The strike side the side with the lockset of these doors has a beveled edge so the door can swing freely. The steps below. Getting the rough opening size right the first time will save you from frustration when installing your doors.

How to replace a 32 inch interior door with a 36 inch door. How to make a door frame smaller. Most trim comes in 8 or 10 ft 2 4 or 3 0 m sections. If the doorknob is on the left you need a left handed door.

Open the door and stand with your back to the hinges. Hopefully your not here because it happened to you. Narrow doors and doorways have a tendency to make the room feel cramped.