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.

Pergola patio roof beam span table.

Where rafters are equal to or exceed four times their breath blocking should be used to reduce member distortion. Includes size and spacing tables for load bearing and links to related articles. Refer to general notes for information that is relevant for all span tables. Pergola beam spans wind classification n1 n2 roof load width rlw 1800 2400 3000.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. 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. 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. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. For design parameters refer to figure 7 26 as1684 2 and 3. A 4 by 10 can usually span up to 12 feet between posts. They are also widely used for institutional shade applications such as covered walkways and lunch areas because of their durable low maintenance finish.

Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red. Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. 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.

The tables below give maximum spans for rafters and beams. 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 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. The figures are based on quality materials.