Shed Roof Span Tables

For standard shed roof rafter spacing see rafter span chart.

Shed roof span tables.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Patio roof cover sheds water allows natural light. For instance 2 grade 2x4s at 16 on center will span just over 9. 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 lesser grades spans should be shorter. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Joist and rafter span tables.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Keep in mind that these are maximums in other words shortening spans slightly will result in a more solid structure. View joist rafter tables. R cb150 16 beam span table used w 3600 width of frame rafter span χ 6410 fascia beam span the cb150 16 beam achieves the 6000mm span for the fascia beam and can be used for the rafters.

The figures are based on quality materials.