Hip Roof Maximum Span

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.

Hip roof maximum span.

Span calculator for wood joists and rafters also available for the android os. Live load 20 lbs ft2 956 n m2 maximum span ft in nominal size. So this table could accommodate a house with a total rafter span or house width of 32 feet. 1 psf lbf ft2 47 88 n m2.

Also available for the android os. 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. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. 1 ft 0 3048 m.

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. Steelbrace layout for long roof spans 8m to 13m. Where the roof length l is long compared to the half span h of the roof truss such that it would result in a brace angle less than 30 two or more crossed bracing bays shall be required each side of the ridge line to ensure the brace angle is between 30 and 45 see figure c5 04 04 04. Live load is weight of furniture wind snow and more.