Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
Rough opening for 9 garage door.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough 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.
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.
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.
Most vertical track systems with torsion springs or other hardware require 3 3 4 in.
On each side although some systems can require up to 5 1 2 in.
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.
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.
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.
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.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
9 3 wide for the width and 7 11 2 for the height.
If the door is 7 tall frame the opening 7 1 5.
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.
Next you will need to know your door height.
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.
Just add 2 to the width of the actual door size.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
If you are installing a 9 wide door the opening will be 9 3 wide.
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.