If you are finishing the opening with 2x8 then the rough opening is 3 inches wider and 1 1 2 inches higher than the door or 9 3 x 7 1 1 2 etc etc.
Garage door opening rough.
Next measure the sideroom or space available on the left and right sides of the opening.
This post is intended for purposes of clarifying how garage door sizes work and opening preparation.
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.
Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door.
Begin by using a tape measure to determine the width and height of the door opening in inches.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
So the rough opening depends on how you are going to finish the opening.
Finished opening is the same size as the door.
Make the rough opening 3 wider than the garage door also make the rough opening 1 5 taller than the garage door leave a headroom of 14 or 12 minimum install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad leave at least 5 of space on.
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.
Behind the door lies an entire system of components that allow the door to work.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
So if your door is 9ft wide your rough opening should be 9ft 3 inches next your rough opening height should be 1 5 inches taller than the door.
How to frame a garage door 1.
Measure the head room the distance between the top.
Cut the header from 2 x 12 lumber and to a.
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.
The face of a garage door tells only a portion of the story.
The size of the door will.
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.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
If you are installing a 9.
For instance if you have a 16 door and are using river stones that are approximately 2 to 2 1 2 you will want the rough opening to be roughly pun intended 16 6.
To finish the opening.
Let s get started with your framing 1.
After this you just need to bring in the opening size to the exact size of the garage door.
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.
Most vertical track systems.
99 of the residential garage doors that we run across are different than these widths.