Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Spans for roof deck.
Maximum roof slope is 5 for monoslope and 22 5 for pitched roof.
Refer to the deck beam span table below to assist in determining the maximum span of a given beam between posts.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
The strength of the shape provides impressive span and overhang capabilities making it ideally suited for long open interior and exterior spaces.
Average roof height between 3m and 6 5m 3m h 6 5m.
Cellular deep dek roof deck cellular deep dek is a double or triple cell hat unit with a liner panel that creates a support surface for various component systems.
For more information regarding canam steel deck please refer to the steel deck or contact our experts by phone at 1 866 466 8769 or online.
The number of supports beams or purlins affects the allowable span.
A redwood 4x6 beam should span no more than 6 between supporting posts.
Patio height hc must always be less than roof height h.
Roof deck maximum spans notes.