Garage Door Header Size Chart

These charts are for 30 pound per square foot snow load on the roof.

Garage door header size chart. Span charts and 2012 irc building codes for girders and headers. Window door garage door headers supporting roof wall floor loads. Anything 5 and above we. Includes span tables for all load bearing locations and the number of jack studs.

Table 1 consolidates loading sizes and cost data for all of the applications. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. 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. The span for the girder is based on the size of an average sized game room.

Header size required to support the roof ceiling and one center bearing floor of a 28 ft. Window door garage door headers supporting roof loads only. The clever way i used to build headers. 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 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. My first job as a carpenter s helper was to construct headers for the tract houses we were building. The right header size.

No matter what the specs say. When in doubt use 2 by 12 inch headers. 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.

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. Measure the width of your door frame. All other data is available on page 121 of the 2012 international residential code.

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