Roof Beam Span Calculator

To size joists and rafters use the maximum span tables for southern yellow pine.

Roof beam span calculator.

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. This post may contain affiliate links. F stands for the beam s fiber strength in bending which depends on the species of wood. Structural ridge beam span calculator posted on april 7 2020 by sandra open source wood find tools 4101 8 01 roof ceiling construction single span ridge beam ridge beams and boards modern technical steico construction.

L stands for the span of the beam in feet. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. In the example the beam spans the 10 foot width of the roof. For more information see our disclosures here.

Span calculator for wood joists and rafters also available for the android os. For the initial calculation f can be estimated at 1 000. Fill in the parts of the formula that are already known. Most interior beams need to include the roof load.

This is based upon the span of the rafter horizontal span not total rafter length live and dead loads. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video. Patio roof maximum beam rafter spans. This calculator matches up with 90 of the applications in the 2012 international residential code book.

Window door garage door headers supporting roof loads only. More roof calculators roof truss calculator how to cut rafters. The total load is 4 000 pounds. Also available for the android os.

Window door garage door headers supporting roof wall floor loads. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. This rafter span calculator is species specific for douglas fir hemlock etc. If there is are any questions about anything else then you should contact your supplier or an engineer.

Build your patio cover or deck designing with roof rafter span tables board can span 16 ft for a wall pergola patio roof maximum beam rafter spanspatio roof beam calculatorpatio coversplease plete.