Pergola Patio Roof Beam Span Table

Colorbeam light structural steel beams provide an ideal roof framing system for all outdoor home improvement projects such as patios carports verandahs and awnings.

Pergola patio roof beam span table.

For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. 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. They are also widely used for institutional shade applications such as covered walkways and lunch areas because of their durable low maintenance finish.

Includes size and spacing tables for load bearing and links to related articles. The figures are based on quality materials. 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.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Refer to general notes for information that is relevant for all span tables.

The smallest beams for patio covers are typically 4 by 6. A 4 by 10 can usually span up to 12 feet between posts. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. The tables below give maximum spans for rafters and beams.

For design parameters refer to figure 7 26 as1684 2 and 3. Pergola beam spans wind classification n1 n2 roof load width rlw 1800 2400 3000. 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. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.