Rough In Dimensions For French Doors

To correctly determine the size of a rough opening for double or french doors measure the size of each door.

Rough in dimensions for french doors.

For reference standard interior door widths range from 24 36 finished opening. The rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame. If you re going to frame a rough opening for a door then you ll need to know the unit size. The difference between a rough opening and finished opening is usually 2 3 inches.

Of frame is 40 x 86 as the frame face is 2 around all 3 sides. To get the total width multiply the width of each door by 2 and add 2 inches. Framing rough opening sizes are really quite simple. For example let s say we want to frame a 6 8 x 3 0 front entry door.

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 standard door height is 80 finished opening. This takes into account the thickness of a standard 3 4 inch doorjamb on each side.

Standard door rough openings. If you have questions give us a call at 888 458 5911. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide. You should add 2 1 2 to the height of the actual door.

Refer to the charts below to determine what size of door you will need. This will give you room to space the door frame off of the sub floor.