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.
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.
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.
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.
Average roof height between 3m and 6 5m 3m h 6 5m.
In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.
Span tables for 8 x12 x24 western red cedar this pergola.
10000 best picture of beam 2018.
For heights outside these ranges contact stramit for further information.
Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
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.
The figures are based on quality materials.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
A 4 by 10 can usually span up to 12 feet between posts.
Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs.
The tables below give maximum spans for rafters and beams.
Includes size and spacing tables for load bearing and links to related articles.
The smallest beams for patio covers are typically 4 by 6.
Span tables are based on patio height and average roof heights as specified in the empty under and blocked under selection tables.
Maximum patio height hc is 3 2m.