Robert broome on september 14 2020 at 11 08 am the rough opening should be 19 9 x 9 10 5.
10 x 8 garage door rough opening.
Rough opening for an over head door is the actual size of the door in this case 8 x 7.
Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad.
Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches.
This is assuming that you are using a 2 x 6 or 2 x 8 to finish the opening.
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.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
If you are installing a 9 wide door the opening will be 9 3 wide.
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.
After installing the jambs your garage door opening should now be the same size as the garage door.
Calculate your measurements to the closest fraction of an inch to make sure you have an accurate door size.
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.
Also make the rough opening 1 5 taller than the garage door.
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.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Jambs go in vinyl weatherstrip known in the garage door trade as a stop goes on last.
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.
Use the diagram below to measure the rough opening for your roll up door or mini storage door.
If you are installing a 9 wide door the opening will be 9 3 wide.
Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening.
These boards are 1 5 thick.
Make the rough opening 3 wider than the garage door.
Rough opening for 20 x 10 garage door.
Many homeowners have two cars and need garage space to shelter them both.
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.
Leave a headroom of 14 or 12 minimum.
Frame the rough opening to 3 inches wider than the garage door size you have selected.