Just add 2 to the width of the actual door size.
Rough opening for 9 ft garage door.
This will give you room to space the door frame off of the sub floor.
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.
For residential homes 99 of doors are either exactly 7 or 8 tall.
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.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
Favorite answer 9 3 wide for the width and 7 11 2 for the height.
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.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
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.
You should add 2 1 2 to the height of the actual door.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
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.
Standard garage doors start at 7 tall and increase in increments of one foot.
If you are installing a 9 wide door the opening will be 9 3 wide.
If the door is 7 tall frame the opening 7 1 5.
Framing rough opening sizes are really quite simple.
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.
