Patio Cover Patio Roof Beam Span Table

If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts.

Patio cover patio roof beam span table.

In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. The figures are based on quality materials. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.

Cellular beams design guide pdf free floor joist spantables to set your joists enercalc version 5 8 non cur retired patio roof maximum beam rafter spans with images experiments on long span cold formed steel single c section portal floor joist spantables to set your joists. The cover will consist of either a ledger board attached to the exterior wall pending structural review or beams on the new patio slab leading to a 15 span away from the house to 6x6 posts on galvanized anchor brackets at the other end of the slab. The smallest beams for patio covers are typically 4 by 6. 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.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. 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. Includes size and spacing tables for load bearing and links to related articles. Beam span table douglas fir elijahhome co garage door header size benjaminremodeling co roofing beam spans pitch roof span tables patio cover kits pre designed covers patio roof beam calculator.

Build your patio cover or deck designing with roof rafter span tables board can span 16 ft for a wall pergola patio roof maximum beam rafter spanspatio roof beam calculatorpatio coversplease plete. A 4 by 10 can usually span up to 12 feet between posts.