Standard Interior Door Rough Opening Size

Table of bifold door sizes.

Standard interior door rough opening size.

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. This will give you room to space the door frame off of the sub floor. While a standard door height is 80 finished opening. Entry doors are usually 36 inches wide.

Bifold door sizes do have limitations. For reference standard interior door widths range from 24 36 finished opening. Download all the technical information and data on specifications use and maintenance for all our doors now. The difference between a rough opening and finished opening is usually 2 3 inches.

Framing rough opening sizes are really quite simple. Standard door rough openings. The additional room allows for a 3 4 inch top jamb a shim. Just add 2 to the width of the actual door size.

For example let s say we want to frame a 6 8 x 3 0 front entry door. This is a list of common bifold door sizes that are fairly standard and readily available. If you re going to frame a rough opening for a door then you ll need to know the unit size. If you are considering a replacement project see the article installing bifold doors.

Masonite strives to provide our customers with as much information as possible so you can get the right door the first time. The doors are also a standard 80 inches tall. Refer to the. This takes into account the thickness of a standard 3 4 inch doorjamb on each side.

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. 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. This can be done with an existing door finished opening or a rough opening where you can see the 2x4 s. You should add 2 1 2 to the height of the actual door.

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. Getting the rough opening size right the first time will save you from frustration when installing your doors. Typically a pre hung door is measured in 30 inch and 36 inch sizes with additional sizes available in non standard widths.

Some sizes can be special ordered if you have time to wait. Presuming the door is a 36 inch wide door the dimensions of your opening should be 37 inch wide by 81 inch tall.