Porch 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.

Porch roof beam span calculator.

Multiplied by 40 pounds per square foot equals 8 000 pounds. If there is are any questions about anything else then you should contact your supplier or an engineer. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video.

Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. A 2 2x10 can span 10 feet and so on. The species of lumber size of lumber and the load it carries. Window door garage door headers supporting roof loads only.

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. According to our beam span chart resource the span of a beam is dependent on a few variables. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. This number represents the total load that your roof must carry.

Patio roof maximum beam rafter spans beamsmeasuring pergola dimensions learn the standardwhat is max distance between posts using 2x12x20 foot beams for apergola beam span calculator pergolacanopyideas pergolayou measuring pergola. Dimensional lumber deck beam span chart. Window door garage door headers supporting roof wall floor loads. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.

If an example roof is 10 feet by 20 feet the total area is 200 square feet. This calculator matches up with 90 of the applications in the 2012 international residential code book. It has been my experience to never use a beam smaller than a two ply 2 x 8. Use this calculator to find out the beam span and deck footing size for your project.

A double 2x12 beam can span 12 feet. Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red. Multiply the load per square foot by the total area of the roof. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.