Porch Roof Beam Span Calculator

Uniformly loaded beam overhanging post calculator.

Porch roof beam span calculator.

According to our beam span chart resource the span of a beam is dependent on a few variables. Simple beam point load at any location. If there is are any questions about anything else then you should contact your supplier or an engineer. The species of lumber size of lumber and the load it carries.

Combined axial and bending load calculator. Most interior beams need to include the roof load. Steel i beam. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine.

Multiply the load per square foot by the total area of the roof. Two point loads at one third points on a simple beam. Use this calculator to find out the beam span and deck footing size for your project. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

Also available for the android os. Multiplied by 40 pounds per square foot equals 8 000 pounds. It has been my experience to never use a beam smaller than a two ply 2 x 8. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.

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. Rafter and ceiling joist forces. Span calculator for wood joists and rafters also available for the android os. 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.

Window door garage door headers supporting roof loads only. This calculator matches up with 90 of the applications in the 2012 international residential code book. 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. Another simple column calculator.

Simple beam point load at midspan. This number represents the total load that your roof must carry. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.