Standard garage doors in our area are 8 9 16 and 18 wide.
Garage door rough opening for 9x7 door.
99 of the residential garage doors that we run across are different than these widths.
9 3 wide for the width and 7 11 2 for the height.
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.
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.
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.
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.
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.
If the door is 7 tall frame the opening 7 1 5.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
Next you will need to know your door height.
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.
Frame the rough opening to 3 inches wider than the garage door size you have selected.