Shed Wood Roof Truss Span Tables

View joist rafter tables.

Shed wood roof truss span tables.

Means that your shed should be no wider or longer depending on how you orientate your single sloped roof than 11. Span calculator for wood joists and rafters also available for the android os. Therefore for gable roofed sheds the rafter span table is indicating how far a rafter can span half of your shed s width. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

Deflection for 30 psf live load. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. If you have a single sloped roof then the 11 span distance for 2 4 rafters o c. Span tables for jois ts and rafters american wood council 4 span tables for joists and rafters american wood council design criteria.

For instance 2 grade 2x4s at 16 on center will span just over 9. There is no standard spacing it depends on what size of rafters you want to use and the span of your shed. Limited to span in inches divided by 360. Span tables for flat roof joists to bs 5268 7 2 imposed loads of 0 75 kn m for maintenance and snow load are applicable where there is no permanent access no fixed ladder or staircase and most areas where the altitude does not exceed 100 metres refer to bs 6399 3.

Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. 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. Also available for the android os.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Strength live load of 30 psf plus dead load of 10 psf determines the required bending design value. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.