9 3 wide for the width and 7 11 2 for the height.
Garage door rough opening for 9x7 door.
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.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
You get the picture.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
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 the door is 7 tall frame the opening 7 1 5.
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.
The rough opening is equal to the size of the door but you need to figure back head and side room before choosing and installing the new garage door.
This would allow you to frame and wrap and apply the door seal around the outside of the door after it is installed with 2 x 4 or 6 boards.
Step 1 measure the old door if you are replacing an existing door with one of the same size or the new door of choice if you are building a new garage.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
If it s 9ft the opening must be 9ft 3 inches and so on.
If you are installing a 9 wide door the opening will be 9 3 wide.