Hope this helps you.
Rough opening for 9 foot garage door.
9 3 wide for the width and 7 11 2 for the height.
When pricing your door you will need to price a garage door exactly the size of the opening so when calling around for price points be sure that you have this information in hand.
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 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.
You should add 2 1 2 to the height of the actual door.
This guide is intended primarily for our builder customers to explain in detail the measurements and condition we need the work site to be in to properly co.
So if you have a bedroom door that is 30 wide which is considered a 2 6 or 2 6 door just add 2 to the width and frame it 32 wide.
It should be obvious that you don t use twice the thickness for the height since you will not be putting anything on the floor but you have been reminded just in case this thought escaped you at the moment.
This will give you room to space the door frame off of the sub floor.
How to measure the finished width and height use of 2x4s for the sides and header.
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.
If you are installing a 9 wide door the opening will be 9 3 wide.
Standard garage doors start at 7 tall and increase in increments of one foot.
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.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
If the door is 7 tall frame the opening 7 1 5.
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.
How to frame a garage doors opening in this case 9ft wide by 8ft tall.
Framing rough opening sizes are really quite simple.
Just add 2 to the width of the actual door size.
Now all you need to know is how to properly frame your door rough opening.
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 or 6 boards.