Patio Cover Patio Roof Beam Span Table

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Patio cover patio roof beam span table.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Maximum patio height hc is 3 2m. Includes size and spacing tables for load bearing and links to related articles. The tables below give maximum spans for rafters and beams.

Average roof height between 3m and 6 5m 3m h 6 5m. Patio roof beam calculator single ply beam solution professional exterior wall headers jlc build your patio cover or deckpatio roof maximum beam rafter spans homepatio roof beam calculatorsingle ply beam solution professional. For heights outside these ranges contact stramit for further information. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.

A 4 by 10 can usually span up to 12 feet between posts. Span tables are based on patio height and average roof heights as specified in the empty under and blocked under selection tables. The figures are based on quality materials. Beam span beam span rafter span proposed patio existing structure overhang spread footing table c post 4x4 min table b table b table a 18 0 6 0 12 0 20 0 proposed patio cover 12 x18 family room existing structure s t r e e t n a m e sample site plan site plan requirements.

The smallest beams for patio covers are typically 4 by 6. Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs. 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 for 8 x12 x24 western red cedar this pergola.

For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. 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. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.