To get the total width multiply the width of each door by 2 and add 2 inches.
Rough in dimensions for french doors.
Standard door rough openings.
The difference between a rough opening and finished opening is usually 2 3 inches.
Just add 2 to the width of the actual door size.
While a standard door height is 80 finished opening.
4 11 1 4 and the doors are.
The required size of the finished opening for a 48 by 80 inch door is 48 by 82 inches.
If you re going to frame a rough opening for a door then you ll need to know the unit size.
Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
For reference standard interior door widths range from 24 36 finished opening.
The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.
To correctly determine the size of a rough opening for double or french doors measure the size of each door.
This will give you room to space the door frame off of the sub floor.
Framing rough opening sizes are really quite simple.
The rough opening should be 49 by 82 for a 48 by 80 inch door.
The rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame.
This allows for 1 2 inch thick drywall on both sides and at the top 80 inches for the doors and hardware and a 1 to 1 1 2 inch space under the door the space between the floor and the bottom of the door may vary depending on the type of flooring.
You should add 2 1 2 to the height of the actual door.
So if each door measures 30 inches wide the width of the rough opening should be 62 inches.
Many manufacturers make a so called 5 french door in which the rough opening is exactly 5 0 wide but that means that the opening is 5 0 the door frame is approx.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening.
If you have questions give us a call at 888 458 5911.
This takes into account the thickness of a standard 3 4 inch doorjamb on each side.