That for a 16 foot wide garage door the header should be at minimum 9 inches longer than the door.
Rough opening for 16 ft by 7ft 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.
Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening.
When pricing your door you will need to price a garage door exactly the size of the opening so when calling around for price points be sure that you have this information in hand.
To make my.
Standard garage doors start at 7 tall and increase in increments of one foot.
When constructing a new garage the opening for a 16 7 garage door the opening should measure 16 7.
The height of the rough opening would be the height of the garage door plus the thickness of whatever you are putting underneath the header in addition to the thickness of.
The 16 7 opening should be after the header and all the trim work is installed.
For residential homes 99 of doors are either exactly 7 or 8 tall.
It is important to note.
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.
After installing the jambs your garage door opening should now be the same size as the garage door.
Measure the width and height 1 and 2 of your door opening in feet and inches to determine the garage door size you need.
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.
Words like rough opening are thrown around and i m not sure if we are speaking about the same thing.
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.
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 rough opening should be the same size as the door.
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.
Ordering a garage door based on a rough opening size can leave you with a door that is too big.