Laminated Wood Beams Span Tables

Allowable load tables tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications.

Laminated wood beams span tables.

The glued laminated beam design tables form s475 provide recommended preliminary design loads for two of the most common glulam beam applications. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. 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. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.

Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. View allowable load tables. Most beam tables only list values for whole foot spans like 11 0 12 0 etc. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Size selection tables headers beams. Glulam builders and specifiers can continue to enjoy the strength and versatility of large wood members without rely ing on the old growth dependent solid sawn timbers. View size selection tables. American forest paper association s wood structural design data provides span recommendations for solid sawn wood beams up to 32 feet but the table runs a hefty 140 pages.

Engineered wood products ewp span and size charts. Beams of more than one ply must be fastened together with either nails or bolts. Simplified span tables for southern pine lumber and glued laminated timber glulam headers beams and girders. Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads.

The tables include values for section properties and capacities and allowable loads for simple span and cantilevered beams. On longer spans the beam may require much more bearing space as indicated by this table. The 2012 irc code calls for a minimum of a 32 o c. And even though span tables provide limited data they are very long.

Glulam has greater strength and stiffness than comparable dimensional lumber. That means glulam beams can span long distances. Joist and rafter span tables. Pound for pound it s stronger than steel.

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. Headers beams. Staggered pattern with at least a 3 x 120 nail. Engineered wood products ewp lvl span and size charts.

The wsdd is. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures. These tables are provided as a guideline. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures.