If it s 9ft the opening must be 9ft 3 inches and so on.
9 ft garage door rough opening.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
99 of the residential garage doors that we run across are different than these widths.
Classic collection 9 ft.
Next you will need to know your door height.
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.
You get the picture.
Maximum allowable deviation from square is normally 1 4.
Verify the width and height of the door frame are each 1 2 smaller than the rough opening width height.
Hope this helps you.
More rough opening tips.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
The diagonal measurements should be the same.
I am constantly amazed at the amount of people giving bad advice to homeowners.
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.
Standard garage doors in our area are 8 9 16 and 18 wide.
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 homeowners have two cars and need garage space to shelter them both.
Verify the rough opening is square.
Non insulated solid white garage door.
Classic collection 9 ft.
Verify the rough opening is level and plumb.
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.
Some may do it a little different but this has worked for me.
If you are installing a 9 wide door the opening will be 9 3 wide.
These q amp a s should be 100 regulated on the answering part.
What rough opening is required in new constuction.
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.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
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.
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.