Standard Interior Door Rough Opening Size

Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening.

Standard interior door rough opening size.

Entry doors are usually 36 inches wide. The difference between a rough opening and finished opening is usually 2 3 inches. Masonite strives to provide our customers with as much information as possible so you can get the right door the first time. Refer to the.

While a standard door height is 80 finished opening. This will give you room to space the door frame off of the sub floor. If you are considering a replacement project see the article installing bifold doors. This takes into account the thickness of a standard 3 4 inch doorjamb on each side.

Standard door rough openings. Table of bifold door sizes. Getting the rough opening size right the first time will save you from frustration when installing your doors. If you re going to frame a rough opening for a door then you ll need to know the unit size.

The height of common doors is 6 feet 8 inches. 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. The doors are also a standard 80 inches tall. Just add 2 to the width of the actual door 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. The standard height of the rough opening for a door is the door height plus 2 5 8 inches. You should add 2 1 2 to the height of the actual door. This can be done with an existing door finished opening or a rough opening where you can see the 2x4 s.

The additional room allows for a 3 4 inch top jamb a shim. Framing rough opening sizes are really quite simple. Typically a pre hung door is measured in 30 inch and 36 inch sizes with additional sizes available in non standard widths. Download all the technical information and data on specifications use and maintenance for all our doors now.

For fire rated openings drywall must extend at least 1 2 into frame. 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. Bifold door sizes do have limitations. Some sizes can be special ordered if you have time to wait.

For reference standard interior door widths range from 24 36 finished opening. For example let s say we want to frame a 6 8 x 3 0 front entry door.