Just add 2 to the width of the actual door size.
Rough opening dimensions for garage door.
For residential homes 99 of doors are either exactly 7 or 8 tall.
Next you will need to know your door height.
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.
Use shims and or caulk to seal gaps between wall and frame.
The rough opening would be 40 1 2 x 86 1 4.
If the door is 7.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
Let s get started with your framing 1.
Now all you need to know is how to properly frame your door rough opening.
Most vertical track systems.
The size of the door will.
Width of rough opening the width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing.
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.
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.
For a 3 0 x 7 0 door frame.
This will give you room to space the door frame off of the sub floor.
Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
99 of the residential garage doors that we run across are different than these widths.
Standard garage doors in our area are 8 9 16 and 18 wide.
To finish the opening.
Framing rough opening sizes are really quite simple.
The 16 7 opening should be after the header and all the trim work is installed.
First column in the above chart is in imperial system width x height in feet and second column is in metric measurements garage door width x height in centimeters.
Next measure the sideroom or space available on the left and right sides of the opening.
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.
You should add 2 1 2 to the height of the actual door.
9 and 10 feet high garage doors are less common.
Timely prefinished interior steel frame.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Measure the head room the distance between the top.
If it s 9ft the opening must be 9ft 3 inches and so on.
A opening width 1 1 4.
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 width meaning your header should be 16 feet 9 inches long.
Begin by using a tape measure to determine the width and height of the door opening in inches.
Standard garage doors start at 7 tall and increase in increments of one foot.