Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door.
How to frame out a garage door opening.
Make the rough opening 3 wider than the garage door also make the rough opening 1 5 taller than the garage door leave a headroom of 14 or 12 minimum install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad leave at least 5 of space on.
Cut the header from 2 x 12 lumber and to a.
Measure your door carefully and cut the opening to fit using a reciprocating saw.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Let s get started with your framing 1.
Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Headers should be a minimum of 12 wide.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
If you are installing a 9.
To finish the opening.
Doubled 2 4 s at minimum should be at each edge of the garage door to allow for the mounting of the tracks and jamb brackets.