The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.
Rough in dimensions for french doors.
4 11 1 4 and the doors are.
For reference standard interior door widths range from 24 36 finished opening.
The required size of the finished opening for a 48 by 80 inch door is 48 by 82 inches.
You should add 2 1 2 to the height of the actual door.
The difference between a rough opening and finished opening is usually 2 3 inches.
Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide.
To get the total width multiply the width of each door by 2 and add 2 inches.
This will give you room to space the door frame off of the sub floor.
While a standard door height is 80 finished opening.
Just add 2 to the width of the actual door size.
For example let s say we want to frame a 6 8 x 3 0 front entry door.
The rough opening should be 49 by 82 for a 48 by 80 inch door.
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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.
Framing rough opening sizes are really quite simple.
The rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame.
Refer to the charts below to determine what size of door you will need.
Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
Standard door rough openings.
To correctly determine the size of a rough opening for double or french doors measure the size of each door.
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.