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.
What is the rough opening for a 8x7 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.
Next you will need to know your door height.
Install the header on top of the trimmers and nail.
In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs.
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.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Many homeowners have two cars and need garage space to shelter them both.
Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches.
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.
99 of the residential garage doors that we run across are different than these widths.
After installing the jambs your garage door opening should now be the same size as the 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.
You should add 2 1 2 to the height of the actual door.
Framing rough opening sizes are really quite simple.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
Most garage doors openings i trim out get done simply with aluminum cladding but this is for cost.
Otherwise its done with 1x stock pvc or sometimes 5 4 lodgepole pine trim.
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.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
To make my.
Make sure to allow for an uneven floor.
This will give you room to space the door frame off of the sub floor.
Words like rough opening are thrown around and i m not sure if we are speaking about the same thing.
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.
Just add 2 to the width of the actual door size.
Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the rough opening.
Standard garage doors in our area are 8 9 16 and 18 wide.
It all varies on what the exterior finish detail is.
At least two 2x4s on each side of the jambs but three would not hurt.
If sides are not plumb consider a flush door instead of a raised panel to make it less obvious.