Interior Door Rough Opening Size

If you re going to frame a rough opening for a door then you ll need to know the unit size.

Interior door rough opening size.

Measure the opening to your door frame. For example let s say we want to frame a 6 8 x 3 0 front entry door. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide. The difference between a rough opening and finished opening is usually 2 3 inches.

Refer to the. Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening. Framing rough opening sizes are really quite simple. Download all the technical information and data on specifications use and maintenance for all our doors now.

This takes into account the thickness of a standard 3 4 inch doorjamb on each side. Entry doors are usually 36 inches wide. Determine the size of the door opening. Measure your door carefully and cut the opening to fit using a reciprocating saw.

You should add 2 1 2 to the height of the actual door. The additional room allows for a 3 4 inch top jamb a shim. Standard door rough openings. For reference standard interior door widths range from 24 36 finished opening.

A typical door opening is 2 inches 5 1 cm wider than the door size being installed to allow for the thickness of the jamb material and shims to plumb the jamb. The standard height of the rough opening for a door is the door height plus 2 5 8 inches. Getting the rough opening size right the first time will save you from frustration when installing your doors. Be sure to allow for about a 1 inch larger opening than the standard door sizes.

Just add 2 to the width of the actual door size. The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide. 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 size of the door opening will vary depending on the size of the door you plan to install.

This can be done with an existing door finished opening or a rough opening where you can see the 2x4 s. This will give you room to space the door frame off of the sub floor. Typically a pre hung door is measured in 30 inch and 36 inch sizes with additional sizes available in non standard widths. Masonite strives to provide our customers with as much information as possible so you can get the right door the first time.

While a standard door height is 80 finished opening.