Just add 2 to the width of the actual door size.
Rough opening for garage swrvice door.
Choose the perfect door from our selection of residential and commercial garage doors as well as roll up doors for storage sheds and the like.
How to frame a garage door 1.
Measure the backroom the distance from the garage door opening to the back wall of the garage.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
We offer a large selection of garage door openers that will make it easy to get in and out of your garage while also providing a level of protection from unwanted intruders.
A rough opening is the size of the opening before any finish work has been done.
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 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 systems require 10 inches of headroom while some require 12 inches while garage door openers often require an additional three inches of clearance.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
The rough opening is essentially the size of the finished garage door.
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.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
You should add 2 1 2 to the height of the actual door.
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.
1st of all let s cover the difference in a rough opening and a finished 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.
If the door is 7 tall frame the opening 7 1 5.
If you are installing a 9 wide door the opening will be 9 3 wide.
Framing rough opening sizes are really quite simple.
If you have a rough opening that is unfinished and you need a guide in to getting the door ready for an installation you can find our how to guide here.