Floor I Joist Span Table

Low pitch 6 12 or less 14 15.

Floor i joist span table. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. Maximum floor joist span for no. 1 ft 0 3048 m. Live load is weight of furniture wind snow and more.

True floor joist span calculations can only be made by a structural engineer or contractor. Bci joists are specially constructed floor i joists with flanges made from strong versa lam lvl. For i joists we combine laminated veneer lumber lvl lp solidstart i joists have been evaluated by ccmc for. Floor span tables 6 9 uniform floor load plf tables 10 11 uniform roof load plf tables 12 13 roof span tables.

Dead load weight of structure and fixed loads 10 lbs ft 2. Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 this performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span. 1 psf lb f ft 2 47 88 n m 2. 2 grade of douglas fir are indicated below.