Shed Roof Maximum Span

Also available for the android os.

Shed roof maximum span.

Both of these are for light roof loads. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. 1 psf lb f ft 2 47 88 n m 2. The total load is 4 000 pounds.

2 are indicated below. 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. Dead load weight of structure and fixed loads 15 lbs ft 2. The beam spans the 10 foot width of the roof.

F stands for the beam. As mentioned above a 2 4 spf shed roof rafter can span 11. 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 new pitch will be on the order of 3 12.

If you look at the rafter span chart you ll notice that 2x4s can be used for rafters on spans up to 11. Maximum rafter span of 16 feet. With the posts set 10 from the house what is the maximum beam span between the posts. Live load is weight of furniture wind snow and more.

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. 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. An syp rafter can span 11.

My plan is to build a shed roof. 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. For 2x10s or 2x8s. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

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.