engineered beam span tables

You will be given a range of depths and centres that are available and also an indicative deflection result, If your requirement is outside of the options available here, you are thinking about using Posi-Rafters, or you require further information for specification purposes please email our design team UKDesign@mitek.co.uk. Parallam dimensions are compatible with the other engineered wood products like I-joists and LVL. The 18-foot garage header for our house weighs in at 380 pounds. Beams of more than one ply must be fastened together with either nails or bolts. E-mail: info@mitek.co.uk, Here at MiTek we are firmly focused on MMC as the future of construction. Depending on the manufacturer of the joists, their span tables may be divided according to two live load deflections: L/360 and L/480. Sawn-Lumber span tables are convenient tools. Span Tables for Domestic Floor Joists (to BS 5268-7.1) Note: Our floor joist span tables are based on loadings given in the newer, amended version of BS 6399-1 . However, this exercise will give you a feel for how sawn-lumber, LVL, Parallam, Timberstrand, and Anthony Power Beam compare in various applications.

Check out the benefits of Roof Trusses and find a licensed MiTek fabricator.

House Loading: 0.75kN/m2 Dead Load + 1.5kN/m2 Imposed Load. As a result, it doesn’t clear-span long distances, comes in sizes only up to 2×12, and select structural grades are not always available. (in AF&PA Design Values for Joists and Rafters #2 hem-fir = Fb @1104 psi & E @1,300,000 psi— so use span table column Fb 1100). To size engineered beams and headers you begin with load per foot of beam. But you can trick WSDD tables into giving you values for double or triple 2-by beams with other deflection limits.

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. Strength-reducing characteristics like knots, grade and slope of grain are controlled during manufacturing process so that the end product represents a more efficient use of the wood fiber. Like APB, Parallam comes fully assembled and is comparably heavy. According to the 2012 IRC codes any beam, joist, or header shall never have a bearing of less than 1 1/2″. The claims are basically true, but you do pay for the improved performance. This application will specify a list of acceptable JJI-Joists once you enter your support conditions, load case and clear span. Most beam tables only list values for whole-foot spans like 11’0″, 12’0″, etc. Home Construction Improvement: Selecting TJI Floor Joist Sizes. 2. "Max. MiTek manufactures the steel connector plates used in roof trusses. It is a cost-effective option for many applications, but it can be very hard to find. Usually, each manufacturer automatically applies these reductions and clearly labels the appropriate application in the various tables for floors and roof conditions. Str.

The applications are: (see diagrams and calculations for each condition), 1) structural ridge beam with a 20-foot span Posi-Joist: Interactive Span Table: Try our interactive span checker to find the posi joist suitable for your project.

Select the span carried by the beam across the top of the table It spans long distances.

Sawn Lumber has it limitations. The tables used to size engineered lumber are provided by manufacturers free of charge. "Max. If it's Max. You merely look for the distance you need to span; match the load per foot of beam to the appropriate Fb(strength) and E(stiffness) values listed; and bang: you have a winner!

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