Engineered Wood I Beam Span Table

Span refers to the length of the i joist.

Engineered wood i beam span table.

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. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. 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.

The easiest way to size engineered wood beams is to use the span tables that the manufacturer provides. The numbers in gray indicate the distance between the support posts. With these factors the lightest joist will have a maximum span of 17 feet 8 inches. 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.

Lightweight and cost effective wi and gpi series wood i beam joists are the builder s choice for residential floor and roof systems. The apa mark of quality. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. This is the most common as the typical span is 15 feet.

The engineered product is stronger and allows for greater spans. A double 2x12 beam can span 12 feet. A 2 2x10 can span 10 feet and so on. Beams of more than one ply must be fastened together with either nails or bolts.

Anything 5 and above we always at least double cripple. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Engineered wood products ewp lvl span and size charts. 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.

The l 480 table with a 40 per square foot live load and a 20 per square foot dead load with a depth of 11 7 8 inches will give you spans according to joint weight. Apa pris are recognized through icc es esr 1405. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures. Dimensional lumber deck beam span chart.

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. 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. Sizing engineered wood beams is not at all difficult.