You should add 2 1 2 to the height of the actual door.
Rough opening for 8x10 garage door.
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.
For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide.
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.
Ordering a garage door based on a rough opening size can leave you with a door that is too big.
Frame a few houses with a carpenter and you ll see.
Next you will need to know your door height.
Just add 2 to the width of the actual door size.
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.
99 of the residential garage doors that we run across are different than these widths.
To make my.
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.
Words like rough opening are thrown around and i m not sure if we are speaking about the same thing.
In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs.
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.
Framing rough opening sizes are really quite simple.
Jambs go in vinyl weatherstrip known in the garage door trade as a stop goes on last.
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.
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.
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.
Getting the rough opening size right the first time will save you from frustration when installing your doors.