Pergola Patio Roof Beam Span Table

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.

Pergola 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. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. Where rafters are equal to or exceed four times their breath blocking should be used to reduce member distortion. 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.

The tables below give maximum spans for rafters and beams. The smallest beams for patio covers are typically 4 by 6. Includes size and spacing tables for load bearing and links to related articles. Pergola beam spans wind classification n1 n2 roof load width rlw 1800 2400 3000.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. The figures are based on quality materials. Colorbeam light structural steel beams provide an ideal roof framing system for all outdoor home improvement projects such as patios carports verandahs and awnings. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.

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. For design parameters refer to figure 7 26 as1684 2 and 3. 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.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. 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. Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red.