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.
Rough opening for a 9x7 garage door.
Standard garage doors in our area are 8 9 16 and 18 wide.
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.
The rough opening should be the same size as the door.
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.
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.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
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.
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.
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.
Measure the width and height 1 and 2 of your door opening in feet and inches to determine the garage door size you need.
If it s 9ft the opening must be 9ft 3 inches and so on.
Next you will need to know your door height.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
If you are installing a 9 wide door the opening will be 9 3 wide.
Take these measurements to your local installing dealer or retailer to purchase the clopay garage door that is right for you.