Frame the rough opening to 3 inches wider than the garage door size you have selected.
Rough opening for garage door 16 ft.
Add 6 to 14 inches to the height of the door for headroom or the space directly above the closed door.
A rough opening refers to the space left inside a door or window frame door in this case where the actual door will be fitted.
Many homeowners have two cars and need garage space to shelter them both.
If you are installing a 9 wide door the opening will be 9 3 wide.
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.
Refer to the headroom requirements for the specific door you are using to see if your existing space can accommodate the new door without modification.
Standard garage doors in our area are 8 9 16 and 18 wide.
99 of the residential garage doors that we run across are different than these widths.
Next you will need to know your door height.
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.
That for a 16 foot wide garage door the header should be at minimum 9 inches longer than the door.
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.
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.
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.
The 16 7 opening should be after the header and all the trim work is installed.
Many 16 x 7 garage doors will be designed with a pair of single 8 foot garage door bays separated by a central post or column.
When constructing a new garage the opening for a 16 7 garage door the opening should measure 16 7.
This guide is intended primarily for our builder customers to explain in detail the measurements and condition we need the work site to be in to properly co.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.