If garage door height extends above the opening the headroom measurement should be adjusted proportionately.
Garage door framing opening size 8 x 6 6.
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.
Install the header on top of the trimmers and nail.
Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches.
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.
Door height plus 18 is required.
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.
Framing nails are highly recommended.
6 3 r value insulated white garage door 2 layer 25 gauge steel frame construction with insulation raised panel details provide a classic look.
So if you have a bedroom door that is 30 wide which is considered a 2 6 or 2 6 door just add 2 to the width and frame it 32 wide.
For instance if you have a 16 door and are using river stones that are approximately 2 to 2 1 2 you will want the rough opening to be roughly pun intended 16 6.
If you are installing a 9 wide door the opening will be 9 3 wide.
Additional back room may be required for automatic garage door.
Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening.
Now all you need to know is how to properly frame your door rough opening.
Use 2 inch lumber for the jambs as well and ensure they are appropriately nailed to the door opening with the help of a nail gun or hammer.
Measure area labeled backroom 6 distance is measured from the garage door opening toward the back wall of the garage.
Classic collection series 8 ft.
Ideally 2 x6 is the most used header size.
After installing the jambs your garage door opening should now be the same size as the garage door.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
The width of the lumber should be between 6 and 8.