These trimmers should be.
How to rough frame a garage door opening.
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.
A rough opening refers to the space left inside a door or window frame door in this case where the actual door will be fitted.
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.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
Most garage door openings are just rough openings when the home is built.
The jambs need to be 17 inches.
How to frame a garage door opening.
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.
It s essential to get this measurement right else your newly purchased garage door won t fit the opening or might actually be smaller than the opening.
The technique of building a garage door frame is straightforward and a finished frame can be completed in an hour.
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.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.