Pergola Patio Roof Beam Span Table

Includes size and spacing tables for load bearing and links to related articles.

Pergola patio roof beam span table.

The tables below give maximum spans for rafters and beams. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Table 2l pergola or carport beams wind classifications n1 n2 n3 and c1 member size roof load width 1500 3000 4500 6000 1500 3000 4500 6000 maximum beam span mm single span continuous span. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

Average roof height h patio height hc 3 h 4 4 h 5 5 h 6 5 hc 2 3 k k k 2 4 hc 2 8 k k k 2 8 hc 3 2 k k k design notes span tables are based on patio height and average roof heights as specified in the empty under and blocked under selection tables. Pergola or carport beams tables 2l and 2h list the sizes and spans for pergola or carport beams in low wind speed and higher wind speed areas. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red.

The smallest beams for patio covers are typically 4 by 6. Patio roof maximum beam rafter spans beamsmeasuring pergola dimensions learn the standardwhat is max distance between posts using 2x12x20 foot beams for apergola beam span calculator pergolacanopyideas pergolayou measuring pergola. Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs. A 4 by 10 can usually span up to 12 feet between posts.

In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. They are also widely used for institutional shade applications such as covered walkways and lunch areas because of their durable low maintenance finish. Colorbeam light structural steel beams provide an ideal roof framing system for all outdoor home improvement projects such as patios carports verandahs and awnings. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.

The figures are based on quality materials.