Width of rough opening the width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
Rough opening for 9 foot garage door.
Next you will need to know your door height.
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.
When constructing a new garage the opening for a 16 7 garage door the opening should measure 16 7.
Standard garage doors in our area are 8 9 16 and 18 wide.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Many homeowners have two cars and need garage space to shelter them both.
This would allow you to frame and wrap and apply the door seal around the outside of the door after it is installed with 2 x 4.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
99 of the residential garage doors that we run across are different than these widths.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
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.
That for a 16 foot wide garage door the header should be at minimum 9 inches longer than the door.
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.
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.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
If you are installing a 9 wide door the opening will be 9 3 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.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
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.
The 16 7 opening should be after the header and all the trim work is installed.
It is important to note.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches 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.
Favorite answer 9 3 wide for the width and 7 11 2 for the height.