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.
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.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
You get the picture.
If you are installing a 9 wide door the opening will be 9 3 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.
99 of the residential garage doors that we run across are different than these widths.
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.
9 3 wide for the width and 7 11 2 for the height.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
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.
Frame the rough opening to 3 inches wider than the garage door size you have selected.