Standard Interior Door Rough Opening Size

While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however.

Standard interior door rough opening size.

For reference standard interior door widths range from 24 36 finished opening. The additional room allows for a 3 4 inch top jamb a shim. Entry doors are usually 36 inches wide. This takes into account the thickness of a standard 3 4 inch doorjamb on each side.

You should add 2 1 2 to the height of the actual door. Bifold door sizes do have limitations. For standard wood framed construction the rough openings for doors and windows is typically the actual unit size plus 2 1 2 inches in height and width. Download all the technical information and data on specifications use and maintenance for all our doors now.

Some sizes can be special ordered if you have time to wait. This can be done with an existing door finished opening or a rough opening where you can see the 2x4 s. This is a list of common bifold door sizes that are fairly standard and readily available. Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening.

If you re going to frame a rough opening for a door then you ll need to know the unit size. The standard height of the rough opening for a door is the door height plus 2 5 8 inches. 2 0 x 6 8 bifold two 12 panels. For fire rated openings drywall must extend at least 1 2 into frame.

Standard door rough openings. Presuming the door is a 36 inch wide door the dimensions of your opening should be 37 inch wide by 81 inch tall. For example let s say we want to frame a 6 8 x 3 0 front entry door. The doors are also a standard 80 inches tall.

While a standard door height is 80 finished opening. Framing rough opening sizes are really quite simple. Just add 2 to the width of the actual door size. If you are considering a replacement project see the article installing bifold doors.

Interior knockdown frames that wrap wall a opening width 2 b opening height 1 the rough opening would be 38 x 85 for a 3 0 x 7 0 door frame. This will give you room to space the door frame off of the sub floor. Table of bifold door sizes. The height of common doors is 6 feet 8 inches.

Masonite strives to provide our customers with as much information as possible so you can get the right door the first time. The difference between a rough opening and finished opening is usually 2 3 inches.