Floor Joist Size Chart. The lowest is a plain ceiling joist with no storage (10 pounds per square foot). Other factors also come into consideration when constructing the framework for your shed.

Do not increase joist moment design properties by a repetitive member use factor. A live load of 60 pounds per square foot demands more support and shorter spans. For example, in the joist span table below, the highlighted cell shows that 2 x 8 southern yellow pine joists,.
Minimum distance from table b 1½ round holes may be cut anywhere in web outside of hatched zone if.
Other factors also come into consideration when constructing the framework for your shed. It is simple to use, yet flexible enough to analyze a variety of common applications. Our joist span charts are for wood joists with a maximum dead load of 10 pounds per square foot and a live load of 40 pounds per square foot. Looking at this table you will see there is a choice in the size of floor joist (2 x 6, 2 x 8, 2 x 10 or 2 x 12) and there is a choice in the joist spacing (12, 16 or 14).