Garage Door Dimensions 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.

Garage door dimensions rough opening.

After installing the jambs your garage door opening should now be the same size as the garage door. For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide. The width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing. You get the picture.

Ordering a garage door based on a rough opening size can leave you with a door that is too big. This post is intended for purposes of clarifying how garage door sizes work and opening preparation. On each side although some systems can require up to 5 1 2 in. Standard width and height will be determined by the type of specific 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. 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. Typically one big door for two car garage will cost less comparing to installing separate smaller doors for. Nail or screw 2 x 6 jambs to the framing on the top first and then the sides of the 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. 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. 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.

Most vertical track systems with torsion springs or other hardware require 3 3 4 in. 1 2 or 1 in one direction of the other will won t typically. While building a new garage it is better to check available sizes make a selection and create a rough opening according to manufacturer specifications. If it s 9ft the opening must be 9ft 3 inches and so on.

Cut the header from 2 x 12 lumber and to a length of the rough opening plus 6 inches. Words like rough opening are thrown around and i m not sure if we are speaking about the same thing. Standard sizes standard garage doors in our area are 8 9 16 and 18 wide. The size of the door will be approximately the same as this sometimes called the rough opening next measure the sideroom or space available on the left and right sides of the opening.