Jan 15 2017 a simple buying guide for beams and rafters that support patio roofs.
Pergola patio roof beam span table.
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.
Flat roof span tables allow for a maximum roof pitch of 5ยบ.
Roof pitch use recommended minimum roof pitches as specified by roof sheet supplier.
The tables below give maximum spans for rafters and beams.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Average roof height between 3m and 6 5m 3m h 6 5m.
The figures are based on quality materials.
Span tables are based on patio height and average roof heights as specified in the empty under and blocked under selection tables.
Patio roof maximum beam rafter spans what is max distance between posts pergola main beams span building span tables for 8 x12 x24 western red pergola beam span calculator.
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.
Includes size and spacing tables for load bearing and links to related articles.
Maximum patio height hc is 3 2m.