Header Size For Garage Door Opening

This lumber will be used to attach your garage door track and a portion of your assembly.

Header size for garage door opening.

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 you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers. The clever way i used to build headers. Window door garage door headers supporting roof loads only.

The span for the girder is based on the size of an average sized game room. 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. And the garage door header is based on a 2 car garage door opening.

If you are creating an opening no wider than 4 feet for a door or smaller window then you need a 2 by 6 header. The structural ridge span represents the size of a large family room. Window door garage door headers supporting roof wall floor loads. Pull a measurement from the floor of your space to the ceiling next to the door opening.

Header size required to support the roof ceiling and one center bearing floor of a 28 ft. The right header size. Measure the width of your door frame. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.

The span above the door opening is framed with a long header that supports the wall area above the door and this header will need to be raised or rebuilt in order to increase the overall door size. Header spans are typical for a window and a patio door. Most door frames that are 4 feet wide or less require a 2 by 6 header. If there isn t enough room above the opening this can t be done without raising the roof of the garage.

Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. When in doubt use 2 by 12 inch headers. My first job as a carpenter s helper was to construct headers for the tract houses we were building. Table 1 consolidates loading sizes and cost data for all of the applications.