Garage Door Header Size Calculator

When in doubt use 2 by 12 inch headers.

Garage door header size calculator.

It went like this. The sum will be the height of your double header in inches. 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. 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 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. Garage door header size calculator. Therefore the header would need to be made from doubled 2x6s.

On longer spans the beam may require much more bearing space as indicated by this table. Click on the appropriate beam this will take you to the calculation table for your project. 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.

According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. For example if the span is 4 feet add 2 to 4 for a sum of 6. How to calculate header beam size january 18 2020 by arfan leave a comment how to remove a wall load bearing or not and install header beamchek 2016 structural ering column how to replace a load bearing wall with support beam garage door header sizes orange01 co structural support beam design basic belmar nj. Posted on october 29 2019 by bandi ruma.

Measure the span in feet and add 2 to that number. Measure the width of your door frame. Determine the beam header span length and the span carried supported by the beam header.