Hip Roof Maximum Span

So this table could accommodate a house with a total rafter span or house width of 32 feet.

Hip roof maximum span.

1 ft 0 3048 m. 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. Live load 20 lbs ft2 956 n m2 maximum span ft in nominal size. 1 in 25 4 mm.

Steelbrace layout for long roof spans 8m to 13m. The spans in this table are based on a maximum supported rafter span of 16 feet where the supported span is the total horizontal distance spanned by the roof rafters divided in half not the diagonal distance or the length of the rafter. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. Span calculator for wood joists and rafters also available for the android os.

Dead load weight of structure and fixed loads 15 lbs ft2. Also available for the android os. For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.