You get the picture.
Rough opening 16x9 garage door.
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.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
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.
99 of the residential garage doors that we run across are different than these widths.
This 16 x 9 model 2500 is the new standard for heavy duty commercial sheet doors featuring universal mount 4 deep 12 gauge galvanized steel guides for strength and durability.
Many homeowners have two cars and need garage space to shelter them both.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
If it s 9ft the opening must be 9ft 3 inches and so on.
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.
The height of the rough opening would be the height of the garage door plus the thickness of whatever you are putting underneath the header in addition to the thickness of the mortar etc.
Standard garage doors in our area are 8 9 16 and 18 wide.
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.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.