Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to.
How wide is a double garage door opening.
If you intend to put two single 8 x 7 garage doors the garage must be at least 22 feet wide.
If it s 9ft the opening must be 9ft 3 inches and so on.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
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.
You can get a custom height for an additional cost.
Standard double garage door sizes.
Whether your house has an attached or detached garage if you plan on parking two cars in it the ideal size of the garage should be at least 18 feet 5 5 m wide by at least 22 feet 6 7 m deep.
If you need a double garage door the typical measurement is 16 ft.
If you are installing a 9 wide door the opening will be 9 3 wide.
You get the picture.
The standard garage door height is 7 feet 2 1 meters but an 8 foot 2 4 meter height is also available.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
No matter what door configuration you choose the following recommended minimum double garage sizes apply.
There is no standard garage door size.
Width by height 12 by 7 feet 14 by 7 feet 16 by 7 feet 18 by 7 feet 12 by 8 feet 14 by 8 feet 16 by 8 feet 18 by 8 feet.
Then the garage door would be 6 x 6 6.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Doubled 2 4 s at minimum should be at each edge of the garage door to allow for the mounting of the tracks and jamb brackets.
However a single garage door at eight to nine feet wide and seven to eight feet high is a common measurement for many homes.
If the door is 7 tall frame the opening 7 1 5.
Width 22ft 6 7m minimum length 20ft 6m minimum door width 9ft 2 7m minimum single garage door width.
Our partners at clopay offer custom garage doors in a variety of sizes.
Doors made for two cars can be as little as 14 feet wide 4 3 meters but are more commonly 15 or 16 feet wide 4 6 or 4 9 meters.
These are common standard sized double garage doors.
For a garage attached or detached from your house around 12 x 22 feet the width of the most common door is between 8.
1 a single door.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Note that the width is first and the height is second.
These days it is also possible to find garage doors that are 20 feet wide or even wider.