If you are installing a 9 wide door the opening will be 9 3 wide.
How to frame wide garage with doors at eaves.
The second looks at the details of boxed eave gable end.
The three primary variables to consider when designing the eaves for a gable roof are the width of the gable trim the projection of the eaves and the details at the corner of the gable ends.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Shedding rainwater away from siding and trim especially from door and window sills can greatly reduce rot mildew and a host of other problems that can be caused by water streaming down the face of the building.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
If the door is 7 tall frame the opening 7 1 5.
Measure across the top of trim on the outside of the door from the outside corners of both pieces of vertical trim that you just nailed on.
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.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
Headers should be a minimum of 12 wide.
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.
This first installment of a two part series focuses on eaves that do not return onto the gable.
Eaves and rakes that overhang a building s sidewalls are critical to the life of a building.