Frame the rough opening to 3 inches wider than the garage door size you have selected.
Roughin dim for 9 wide garage door.
If you are installing a 9 wide door the opening will be 9 3 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.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough.
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.
The garage of course will need to be sized appropriately to handle these larger doors and larger vehicles.
Just add 2 to the width of the actual door size.
In this case you might want to give serious thought to going with doors 10 feet wide doors and perhaps increasing the height to 8 feet.
Standard garage doors in our area are 8 9 16 and 18 wide.
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.
These garage door dimensions.
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.
Dimensions of such doors might start from 6 in width and go up to 18 with one feet increment and from 6 6 to 9 in height with 0 5 feet increment.
How to frame a garage door 1.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
This will give you room to space the door frame off of the sub.
Next you will need to know your door height.
New construction frequently offers 9 x 7 garage doors but increasingly offers door widths of 10 feet.
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.
You should add 2 1 2 to the height of the actual door.
Many such trucks have lost those mirrors trying to squeeze into a 9 foot wide opening.
Framing rough opening sizes are really quite simple.
99 of the residential garage doors that we run across are different than these widths.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
The doors extend beyond the finished trim you see from the front a fact that must be taken into consideration when framing and preparing the area for installation.
Building codes while designing a garage and an opening for a door in particular always check your local building codes.
If the door is 7 tall frame the opening 7 1 5.
