Shed Roof Maximum Span

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.

Shed roof maximum span.

The beam spans the 10 foot width of the roof. F stands for the beam. Also available for the android os. Dead load weight of structure and fixed loads 15 lbs ft 2.

The new pitch will be on the order of 3 12. 1 ft 0 3048 m. If you live in an area that requires a shed roof rafter to support a heavy load then an spf rafter can only span 7. With the posts set 10 from the house what is the maximum beam span between the posts.

2 are indicated below. 1 psf lb f ft 2 47 88 n m 2. This table is simply a sample and may not be valid for your region. For a porch roof the beam needs to be sized according to the maximum snow loads in your area and you must know enough about the porch design to determine how the load will be distributed and over what distance the beam will carry the load.

Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. For 2x10s or 2x8s. The pitch and span of your roof will dictate how long of a rafter you ll need use maximum span calculator to help you find your rafter size. If you look at the rafter span chart you ll notice that 2x4s can be used for rafters on spans up to 11.

The total load is 4 000 pounds. An syp rafter can span 11. 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. As mentioned above a 2 4 spf shed roof rafter can span 11.

Span calculator for wood joists and rafters also available for the android os. Live load is weight of furniture wind snow and more. Maximum rafter span of 16 feet. Both of these are for light roof loads.

For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.