Size Of Header Needed For 12 Garage Door

The clever way i used to build headers.

Size of header needed for 12 garage door.

Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. Table 1 consolidates loading sizes and cost data for all of the applications. When in doubt use 2 by 12 inch headers. And the garage door header is based on a 2 car garage door opening.

Window door garage door headers supporting roof loads only. Measure the width of your door frame. Between 4 and 5 feet the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2 by 12. The span for the girder is based on the size of an average sized game room.

Header spans are typical for a window and a patio door. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. 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. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.

Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to. Most door frames that are 4 feet wide or less require a 2 by 6 header. If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers. The structural ridge span represents the size of a large family room.

Many homeowners have two cars and need garage space to shelter them both. Header size required to support the roof ceiling and one center bearing floor of a 28 ft. For an opening 6 to 7 feet wide you will need two 2 by 12 headers. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.

Tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications.