If the door is 7 tall frame the opening 7 1 5.
Rough opening for 9 garage door.
Just add 2 to the width of the actual door size.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
The rough opening should be the same size as the door.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
These trimmers should be.
You should add 2 1 2 to the height of the actual door.
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 distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door height.
Framing rough opening sizes are really quite simple.
Frame the rough opening to 3 inches wider than the garage door size 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.
Take these measurements to your local installing dealer or retailer to purchase the clopay garage door that is right for you.
Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
Measure the width and height 1 and 2 of your door opening in feet and inches to determine the garage door size you need.
This will give you room to space the door frame off of the sub floor.
The size of the door will be approximately the same as this sometimes called the rough opening next measure the sideroom or space available on the left and right sides of the opening.
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.
Next you will need to know your door height.
Standard garage doors in our area are 8 9 16 and 18 wide.
If you are installing a 9 wide door the opening will be 9 3 wide.