Garage Door Header Size Chart

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Garage door header size chart.

My first job as a carpenter s helper was to construct headers for the tract houses we were building. Measure the width of your door frame. 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.

Header size required to support the roof ceiling and one center bearing floor of a 28 ft. Most door frames that are 4 feet wide or less require a 2 by 6 header. These small areas are usually door opening on the interior and people are trained that these areas are the strongest place in a house to be in the case of an emergency. Includes span tables for all load bearing locations and the number of jack studs.

Many homeowners have two cars and need garage space to shelter them both. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. The clever way i used to build headers. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2.

The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. 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. Table 1 consolidates loading sizes and cost data for all of the applications. Anything 5 and above we.

The structural ridge span represents the size of a large family room. No matter what the specs say. Window door garage door headers supporting roof wall floor loads. When in doubt use 2 by 12 inch headers.

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. Window door garage door headers supporting roof loads only. All other data is available on page 121 of the 2012 international residential code. Span charts and 2012 irc building codes for girders and headers.

And the garage door header is based on a 2 car garage door opening.