Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs.
Pergola patio roof beam span table.
Includes size and spacing tables for load bearing and links to related articles.
Posts these span tables are designed for a minimum post size of 50 x 50 x 2 5mm up to a maximum height of 3 0m.
Roof pitch use recommended minimum roof pitches as specified by roof sheet supplier.
The tables below give maximum spans for rafters and beams.
The figures are based on quality materials.
For heights outside these ranges contact stramit for further information.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Maximum patio height hc is 3 2m.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
Patio beam span calculator posted on april 5 2020 by sandra please plete the items below and pergola beam span 18 professional deck builder forums build your patio cover or deck.
Span tables are based on patio height and average roof heights as specified in the empty under and blocked under selection tables.
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