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.
Rough dimensions for garage door.
However if you are putting bricks thick river rock stones marble or anything else on both sides that is more than 1 thick you will want the rough opening the same.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
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.
This will give you room to space the door frame off of the sub floor.
Many homeowners have two cars and need garage space to shelter them both.
Next you will need to know your door height.
Standard garage doors in our area are 8 9 16 and 18 wide.
All of the rough framing has just been completed.
Several garage door people have told me they want 18.
Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
Does 15 leave enough room for the door tracks and a center mount chain driven electric door opener.
A 8 x 7 feet door will be the perfect option for any mid size sedans and most of suvs.
For those who are not familiar with what this is.
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.
Framing rough opening sizes are really quite simple.
99 of the residential garage doors that we run across are different than these widths.
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.
You should add 2 1 2 to the height of the actual door.
Now all you need to know is how to properly frame your door rough opening.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
Always consider the car dimensions while designing a door opening and choosing right size of the garage door.
Bigger trucks will fit in 9 x 8 doors with very few exceptions.
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.
Rough opening of garage door.
If this is going to be a problem i guess we could lower the height of the opening for the door 6 and use a 7 6 high garage door.
Therefore making the width of the garage door rough opening the same size as the door would be fine if you are going to use a thin layer of stucco vinyl siding or 1 by lumber.
The rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame.