Leave a headroom of 14 or 12 minimum.
How to frame a 16 ft garage door.
If you are installing a 9 wide door the opening will be 9 3 wide.
How to measure the finished width and height use of 2x4s for the sides and header.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Using 16 penny nails attach the jamb boards at the top and bottom.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad.
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.
How to frame a garage doors opening in this case 9ft wide by 8ft tall.
I ll explain the process more extensively as we proceed.
After they are plumb finish nailing the jamb board securely to the frame.
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.
If you are installing a 9 wide door the opening will be 9 3 wide.