My plan is to build a shed roof.
Shed roof maximum span.
Maximum rafter span of 16 feet.
With the posts set 10 from the house what is the maximum beam span between the posts.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
Live load is weight of furniture wind snow and more.
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.
The new pitch will be on the order of 3 12.
This table is simply a sample and may not be valid for your region.
Span calculator for wood joists and rafters also available for the android os.
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.
The total load is 4 000 pounds.
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.
1 ft 0 3048 m.
For 2x10s or 2x8s.
Both of these are for light roof loads.
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.
1 psf lb f ft 2 47 88 n m 2.
If you look at the rafter span chart you ll notice that 2x4s can be used for rafters on spans up to 11.
Dead load weight of structure and fixed loads 15 lbs ft 2.
An syp rafter can span 11.
F stands for the beam.
As mentioned above a 2 4 spf shed roof rafter can span 11.
I m hoping that i can get buy for aesthetics with only four posts two in the corners and two equally spaced between w 13 5 spans.
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.
Also available for the android os.
2 are indicated below.