I Joist Wood I Beam Span Table
Wood i beam joists are produced at a lower mois ture content thereby minimizing the effects of shrinking twisting and warping.
I joist wood i beam span table. Engineered wood products ewp span and size charts for bci joists. Span tables for joists and rafters 3 american wood council table 9 1 required compression perpendicular to grain design values f c in pounds per square inch for simple span joists and rafters with uniform load. Available depths and lengths. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.
In contrast wood i beam joists are more stable by design. The wide flange helps reduce vibration creating a firmer feeling floor. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Span ft 1 5 2 0 2 5 3 0 3 5 2 30 22 18 15 13 4 59 44 36 30 25 6 89 67 53 44 38 8 119 89 71 59 51 10 148 111.
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.