18 Garage Door Rough Opening

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.

18 garage door rough opening.

Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door height. Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening. 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. 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.

In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. Now all you need to know is how to properly frame your door rough opening. Next you will need to know your door height. Standard garage doors in our area are 8 9 16 and 18 wide.

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. 99 of the residential garage doors that we run across are different than these widths. Words like rough opening are thrown around and i m not sure if we are speaking about the same thing. 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.

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. Use a step ladder to more easily measure the ceiling height. Measure the backroom the distance from the garage door opening to the back wall of the garage. The height is 80 which is considered 6 8 or 6 8 add 2 1 2 to the actual door height and frame it 82 1 2.

Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected. Ordering a garage door based on a rough opening size can leave you with a door that is too big. These trimmers should be.