Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
How to frame a 9x7 garage door opening.
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.
It s essential to get this measurement right else your newly purchased garage door won t fit the opening or might actually be smaller than the opening.
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.
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.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
The rough opening of a garage door should be 3 inches wider than the door itself.
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.
These trimmers should be.
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.
A rough opening refers to the space left inside a door or window frame door in this case where the actual door will be fitted.
If you already have all your measurements verified you can proceed to frame the garage door opening.
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 garage door rough opening.
Next your rough opening height should be 1 5 inches taller.
So if your door is 9ft wide your rough opening should be 9ft 3 inches.