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.
Rough opening for 9 garage door.
You should add 2 1 2 to the height of the actual door.
On each side although some systems can require up to 5 1 2 in.
Just add 2 to the width of the actual door size.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
If you are installing a 9 wide door the opening will be 9 3 wide.
Next you will need to know your door height.
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.
Framing rough opening sizes are really quite simple.
9 3 wide for the width and 7 11 2 for the height.
99 of the residential garage doors that we run across are different than these widths.
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.
The size of the door will be approximately the same as this sometimes called the rough opening next measure the sideroom or space available on the left and right sides of the opening.
Most vertical track systems with torsion springs or other hardware require 3 3 4 in.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
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.
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.
Standard garage doors in our area are 8 9 16 and 18 wide.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
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.
Frame the rough opening for the garage door to 3 inches wider than the garage door 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.
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.