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Rough in dimensions for french doors.
The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.
Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening.
Just add 2 to the width of the actual door size.
Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
The difference between a rough opening and finished opening is usually 2 3 inches.
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.
For reference standard interior door widths range from 24 36 finished opening.
If you re going to frame a rough opening for a door then you ll need to know the unit size.
This will give you room to space the door frame off of the sub floor.
Standard door rough openings.
Framing rough opening sizes are really quite simple.
To correctly determine the size of a rough opening for double or french doors measure the size of each door.
The rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame.
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.
So if each door measures 30 inches wide the width of the rough opening should be 62 inches.