70 inches
RO framing is 69" plus 1/2" drywall on either side will put you at 70" finished.
This gives you a 2" over lap on the doors.
Alex
DenverInteriorDoors.com
All rough openings for doors or windows should be as close as possible to plumb and square or your door or window wont be able to be installed properly. As long as you have enough room in the opening to iinstall it square and plumb it'll work fine but if your opening is way out of true, even if you install the window level and plumb it just wont look right.
Make your rough opening 2 1/2 inches larger on the width and height.
Rough opening are 2" wider and 2-2 1/2" taller than than the door itself. 2/8" door needs a 2/10" wide opening.
The rough opening of an interior door is two inches wider than the width of the door and two inches higher than its height. Thus your rough opening width is 38". A typical interior door has a height of 80" which would require a rough opening height of 82" but check your door to ensure that is theheight.
Add two inches to height and width. So a 36 x 80 door roughed out is 38 x82. This is with doors only. Windows you add 1 inch to the height and width.
The standard rough opening size for a sliding closet door is typically 80 inches in height and 60 inches in width.
The recommended rough opening size for a 72x80 sliding door is typically 74 inches in width and 82 inches in height.
The standard size for a rough opening for doors is typically 2 inches wider and 2 inches taller than the actual door size.
The standard dimensions for a sliding glass door rough opening are typically 6 feet 8 inches in height and 6 feet to 8 feet in width.
The standard rough opening size required for installing bypass doors is typically 2 inches wider than the width of the doors, and the height should be 2 inches taller than the doors.
The standard size for a rough opening for interior doors is typically 2 inches wider and 2 inches taller than the actual door size.
The standard rough opening size required for installing double doors is typically 60 inches in width and 80 inches in height.
The standard rough opening size required for installing a sliding glass door is typically 6 feet 8 inches in height and 6 feet wide.
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To measure the rough opening of a window, measure the width between the studs and the height from the bottom of the sill to the top of the header. This will give you the dimensions of the rough opening for the window.
All rough openings for doors or windows should be as close as possible to plumb and square or your door or window wont be able to be installed properly. As long as you have enough room in the opening to iinstall it square and plumb it'll work fine but if your opening is way out of true, even if you install the window level and plumb it just wont look right.
Rough opening is an opening in a wall, or the framework of a building, into which a door frame or window frame, subframe, or rough buck is fitted.It is a measurement that a manufacture needs for installment of their component applications.