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.
Rough opening for 9 ft garage door.
Just add 2 to the width of the actual door size.
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.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
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.
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.
99 of the residential garage doors that we run across are different than these widths.
Framing rough opening sizes are really quite simple.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
Many homeowners have two cars and need garage space to shelter them both.
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.
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.
Take these measurements to your local installing dealer or retailer to purchase the clopay garage door that is right for you.
Many 16 x 7 garage doors will be designed with a pair of single 8 foot garage door bays separated by a central post or column.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Standard garage doors in our area are 8 9 16 and 18 wide.
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.
Next you will need to know your door height.
The rough opening should be the same size as the door.
If the door is 7 tall frame the opening 7 1 5.
These trimmers should be.
Frame the rough opening for the garage door to 3 inches wider than the garage door 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.
You should add 2 1 2 to the height of the actual door.
This will give you room to space the door frame off of the sub floor.