Next you will need to know your door height.
Rough opening for a 16 garage door.
The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
It is important to note that for a 16 foot wide garage door the header should be at minimum 9 inches longer than the door.
Words like rough opening are thrown around and i m not sure if we are speaking about the same thing.
1 2 or 1 in one direction of the other will won t typically cause you to have to shop for a non standard garage door size.
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 mortar etc.
You get the picture.
If it s 9ft the opening must be 9ft 3 inches and so on.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
The 16 7 opening should be after the header and all the trim work is installed.
When constructing a new garage the opening for a 16 7 garage door the opening should measure 16 7.
99 of the residential garage doors that we run across are different than these widths.
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.
Standard garage doors in our area are 8 9 16 and 18 wide.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
Ordering a garage door based on a rough opening size can leave you with a door that is too big.
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.
In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs.
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.
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.