Garage Door Rough Opening Construction

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 rough opening construction.

Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. It should be obvious that you don t use twice the thickness for the height since you will not be putting anything on the floor but you have been reminded. The height of the rough opening would be the height of the garage door plus the thickness of whatever you are putting underneath the header in addition to the thickness of the mortar etc.

How to measure the finished width and height use of 2x4s for the sides and header. Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad. The opening must be finished framed before a garage door can be installed. The technique of building a garage door frame is straightforward and a finished frame can be completed in an hour.

In our business we refer to rough openings as the size of the opening before the finished lumber has been added to the jambs. Words like rough opening are thrown around and i m not sure if we are speaking about the same thing. Many homeowners have two cars and need garage space to shelter them both. 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.

How to frame a garage doors opening in this case 9ft wide by 8ft tall. Leave at least 5 of space on the sides of the door. Leave a headroom of 14 or 12 minimum. 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. This guide is intended primarily for our builder customers to explain in detail the measurements and condition we need the work site to be in to properly co. 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. Standard garage doors in our area are 8 9 16 and 18 wide.

99 of the residential garage doors that we run across are different than these widths. The jambs need to be 17 inches. 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. Most garage door openings are just rough openings when the home is built.

Also make the rough opening 1 5 taller than the garage door.