If the door is 7 tall frame the opening 7 1 5.
Garage door rough opening for 9x7 door.
9 3 wide for the width and 7 11 2 for the height.
99 of the residential garage doors that we run across are different than these widths.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Next you will need to know your door height.
Therefore making the width of the garage door rough opening the same size as the door would be fine if you are going to use a thin layer of stucco vinyl siding or 1 by lumber.
Standard garage doors in our area are 8 9 16 and 18 wide.
However if you are putting bricks thick river rock stones marble or anything else on both sides that is more than 1 thick you will want the rough opening the same.
You get the picture.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
If you are installing a 9 wide door the opening will be 9 3 wide.
1 2 or 1 in one direction of the other will won t typically cause you to have to shop for a non standard garage door size.
If it s 9ft the opening must be 9ft 3 inches and so on.