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.
12 foot garage door rough opening chart.
Leave at least 5 of space on the sides of the door.
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.
Make the rough opening 3 wider than the garage door.
Bigger trucks will fit in 9 x 8 doors with very few exceptions.
A 8 x 7 feet door will be the perfect option for any mid size sedans and most of suvs.
Leave a headroom of 14 or 12 minimum.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
More rough opening tips.
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.
Words like rough opening are thrown around and i m not sure if we are speaking about the same thing.
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.
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 garage of course will need to be sized appropriately to handle these larger doors and larger vehicles.
To make my.
The diagonal measurements should be the same.
Standard garage doors in our area are 8 9 16 and 18 wide.
Ordering a garage door based on a rough opening size can leave you with a door that is too big.
Next you will need to know your door height.
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.
In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs.
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.
Verify the rough opening is square.
Also make the rough opening 1 5 taller than the garage door.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Many such trucks have lost those mirrors trying to squeeze into a 9 foot wide opening.
Many homeowners have two cars and need garage space to shelter them both.
Verify the rough opening is level and plumb.
In this case you might want to give serious thought to going with doors 10 feet wide doors and perhaps increasing the height to 8 feet.
Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad.