Porch Roof Beam Span Calculator

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.

Porch roof beam span calculator.

Rafter and ceiling joist forces. This number represents the total load that your roof must carry. Patio roof beam calculator roof beam span calculator jackdecor co timber trusses beams patio covers and decks santa clarita christopher french beam span table douglas fir elijahhome co patio roof. Steel i beam.

According to our beam span chart resource the span of a beam is dependent on a few variables. It has been my experience to never use a beam smaller than a two ply 2 x 8. 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. If there is are any questions about anything else then you should contact your supplier or an engineer.

Most interior beams need to include the roof load. Use this calculator to find out the beam span and deck footing size for your project. Uniformly loaded beam overhanging post calculator. Multiply the load per square foot by the total area of the roof.

Two point loads at one third points on a simple beam. Simple beam point load at any location. Simple beam point load at midspan. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine.

This calculator matches up with 90 of the applications in the 2012 international residential code book. Combined axial and bending load calculator. Window door garage door headers supporting roof loads only. If an example roof is 10 feet by 20 feet the total area is 200 square feet.

Multiplied by 40 pounds per square foot equals 8 000 pounds. Also available for the android os. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. Window door garage door headers supporting roof wall floor loads.

Span calculator for wood joists and rafters also available for the android os. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video. Another simple column calculator.