Engineered Wood I Beam Span Table

An engineered wood beam is a wood product or assembly designed to replace traditional structural lumber.

Engineered wood i beam span table.

Lightweight and cost effective wi and gpi series wood i beam joists are the builder s choice for residential floor and roof systems. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Beams of more than one ply must be fastened together with either nails or bolts. 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.

The numbers in gray indicate the distance between the support posts. Engineered wood products ewp span and size charts for bci joists. When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Dimensional lumber deck beam span chart. Span refers to the length of the i joist. A wide selection of sizes and flange choices make it easy to specify the materials that are right for the homes you build whether you re building production homes or custom plans.

Wood i beam blocking panels may be used in place of the 2x4. The easiest way to size engineered wood beams is to use the span tables that the manufacturer provides. Engineered wood products ewp lvl span and size charts. Engineered to deliver consistent stiffness and strength characteristics dimensional stability helps minimize floor squeaks and helps reduce callbacks resists shrinking and twisting for less waste and more consistent performance.

Apa pris are recognized through icc es esr 1405. Our versa lam lvl is manufactured in either alexandria lena louisiana in eastern united states or in white city oregon for the western united states. With these factors the lightest joist will have a maximum span of 17 feet 8 inches. 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 tables.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. On longer spans the beam may require much more bearing space as indicated by this table. Anything 5 and above we always at least double cripple. The engineered product is stronger and allows for greater spans.

A 2 2x10 can span 10 feet and so on. The apa mark of quality. A double 2x12 beam can span 12 feet.