When the material arrives on the jobsite, there is minimal cutting, and carpenters know exactly where every joist goes. This software creates a layout and specifies where every single framing member goes. Joists can also be spaced wider than traditional solid sawn joists which allows for quicker and easier installationĪll TJI Joists are designed using patented software that designs a floor taylor-made for every home. Large holes can be cut in the webbing of TJI Joists, allowing for mechanicals to be easily run and installed. Beam spans in this guide are typically measured from center-to-center of supports except for door and window headers. For other conditions such as concentrated loads, unequal spans, etc., contact your LP SolidStart distributor. Allow for spacing for HVAC, Electrical, and Plumbing only for uniform loads on simple (single) or equal, continuous (multiple)span members as noted in each table. 1) the LVL flange holds fasteners better, preventing loose nails that cause squeaks, and 2) it will not shrink over time with the moisture change which is another common cause of squeaksĪll TJI Joists will be perfectly straight and will not twist, warp, or cup SmartLVL14/15 Design Guide 2 1. I-Joists can span up to a whopping 32' without support, giving custom home builders the ability to create open floor plans that customers demandĪn LVL flange is critical for a high performing floor because it prevents squeaky floors in two ways. Multiple depths and series for any application Listed are 46 tables based on common loading conditions for floor joists, ceiling joists and rafters. Pushed the limits of span charts to make the open floor concepts of today a reality. Simplified maximum span tables for selected visual and mechanical grades of Southern Pine lumber in sizes 2×4 thru 2×12. LVL Flange for superior strength and a squeak-free floor Joist, LVL Microllam, LSL Timberstrand, and PSL Parallam. L/480 is the design criteria we recommend for the best performing floor Required end bearing length (based on 565 psi) is 3.0 unless the subscript + is shown. This is the total oor joist span to consider. If oor joists are not continuous above the beam, take the sum of the joist spans then multiply by 0.8. To Submit Blueprints for Takeoff's - Click Here Table is based on continuous oor joist span and simple or continuous beam span con-ditions. And is one of the most trusted brands in the building community today. Has been the #1 used I-Joist for the past 14 years Pushed the limits of span charts to make the open floor concepts of today a reality Lead innovation and design to create a suite of Engineered Wood Products, including I-Joist, LVL Microllam, LSL Timberstrand, and PSL Parallam Invented the very first I-Joist over 50 years ago When you choose Trus Joist, you're choosing the brand that:
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