Garage Door Header Size Calculator

Posted on october 29 2019 by bandi ruma.

Garage door header size calculator.

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. On longer spans the beam may require much more bearing space as indicated by this table. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Most door frames that are 4 feet wide or less require a 2 by 6 header.

Window door garage door headers supporting roof loads only. Garage door header size calculator. Determine the beam header span length and the span carried supported by the beam header. When in doubt use 2 by 12 inch headers.

Garage door header size benjaminremodeling co. 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. Wood beam design and installation no headers in nonbearing walls code notes window headers and door garage door header size headroom door frame and calculation. Anything 5 and above we always at least double cripple.

The column on the left of each chart labeled beam span represents the beam length with bearing required for your project. Window door garage door headers supporting roof wall floor loads.