Cut two 2 x 6 pieces of lumber and attach to the face of the wall running from the edge of your garage door jambs to the ceiling of your garage.
How to frame a garage door opening.
The rough opening of a garage door should be 3 inches wider than the door itself.
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.
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.
If you already have all your measurements verified you can proceed to frame the garage door opening.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
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.
How to frame a garage doors opening in this case 9ft wide by 8ft tall.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
So if your door is 9ft wide your rough opening should be 9ft 3 inches.
Pull a measurement from the floor of your space to the ceiling next to the door opening.
The opening must be finished framed before a garage door can be installed.
These trimmers should be.
How to measure the finished width and height use of 2x4s for the sides and header.
Next your rough opening height should be 1 5 inches taller.
Most garage door openings are just rough openings when the home is built.
The jambs need to be 17 inches.
The technique of building a garage door frame is straightforward and a finished frame can be completed in an hour.