Standard Interior Door Rough Opening Size

Getting the rough opening size right the first time will save you from frustration when installing your doors.

Standard interior door rough opening size.

Presuming the door is a 36 inch wide door the dimensions of your opening should be 37 inch wide by 81 inch tall. This will give you room to space the door frame off of the sub floor. Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening. For example let s say we want to frame a 6 8 x 3 0 front entry door.

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. Framing rough opening sizes are really quite simple. For fire rated openings drywall must extend at least 1 2 into frame.

Just add 2 to the width of the actual door size. 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. For reference standard interior door widths range from 24 36 finished opening. Standard door rough openings.

Download all the technical information and data on specifications use and maintenance for all our doors now. 2 0 x 6 8 bifold two 12 panels. 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 additional room allows for a 3 4 inch top jamb a shim.

The doors are also a standard 80 inches tall. The height of common doors is 6 feet 8 inches. Refer to the. This is a list of common bifold door sizes that are fairly standard and readily available.

While a standard door height is 80 finished opening. Table of bifold door sizes. Masonite strives to provide our customers with as much information as possible so you can get the right door the first time. Some sizes can be special ordered if you have time to wait.

The standard height of the rough opening for a door is the door height plus 2 5 8 inches. This can be done with an existing door finished opening or a rough opening where you can see the 2x4 s. 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. Typically a pre hung door is measured in 30 inch and 36 inch sizes with additional sizes available in non standard widths.

Entry doors are usually 36 inches wide. Bifold door sizes do have limitations.