How Far Can Tji Joists Span, TJI® joists are also available
How Far Can Tji Joists Span, TJI® joists are also available in deeper depths that are suitable for heavier-duty loads, such as those in multi-family structures and light commercial Using TJI Span Tables The following screen shot comes from the Trus Joist TJI Manual. They run the entire 18 foot length without any center beam with lolly collumn. . Design information including span charts, load tables, allowable holes, framing connectors and more. Due to load distribution Jul 22, 2009 · The design properties for TJI joists 110, 210 and 230 and have increased starting in 2009 which in turn allows the joists to span farther. This article explains what TJI floor joists are, how span tables work, and how to apply them in typical U. Find design properties, span tables, material weights, and load tables for tji® joists in various sizes and depths. Featuring Trus Joist® TJI® Joists for Floor and Roof Applications. The tables look overwhelming but they are actually pretty simple to use. Joists can also be spaced wider than traditional solid sawn joists which allows for quicker and easier installation -Fast and Easy Install All TJI Joists are designed using patented software that designs a floor taylor-made for every home. Oct 27, 2025 · The TJI Floor Joist Span Table offers vital specifications on the maximum allowable spans for different TJI joist sizes under varying load conditions. projects. Nov 30, 2025 · What is the maximum span for a Tji joist? Due to load distribution assumptions for the supporting structure, joist spans must be limited to 25'-7" max imum and continuous-span applications must be limited to 20'-6" maximum for any one span. There will be […] Oct 27, 2025 · When selecting the right floor joists for a building project, builders and architects rely heavily on accurate span tables to ensure safe and efficient structural support. TJI® joists are also available in deeper depths that are suitable for heavier-duty loads, such as those in multi-family structures and light commercial Oct 9, 2025 · Understanding TJI floor joist span tables helps architects, engineers, and builders determine the maximum allowable joist spans for various load conditions, joist depths, and spacing configurations. That’s why Trus Joist® TJI® joists are designed to give you more — longer lengths, easier installation, higher span values, better strength-to-weight ratios, and faster cycle times. ; for bracing of all other TJI® joists use 36″ o. Some details; the widest portion of the basement foundation is 35’6″. That’s That’s why why Trus Trus Joist® Joist® TJI® TJI® joists joists are are designed designed to to give give you you more more — — longer longer lengths, lengths, easier easier installation, installation, higher higher span span values, values, better TimberStrand® LSL Floor Joists TimberStrand® LSL Headers TimberStrand® LSL Sill Plates TimberStrand® LSL Tall Walls TJI® Joists for Eastern Canada TJI® Joists TimberStrand® LSL Roof Framing Parallam® Plus PSL NextPhase® Site Solutions LSL Concrete Edge Form Industrial Applications TJ-Pro™ Rating Flak Jacket® Fire Protection Trus Tji Joists Span Chart - Find design properties, span tables, allowable holes, and framing details for tji joists in various sizes and depths. These tables are depth-, spacing-, and load-specific and are published by manufacturers to help builders design safe, code-compliant floors. Depending on various design factors and which TJI joist is used, the span can vary from 13’-7” for a TJI110 at 24” centers to 36 TJ-pROTM RaTingS Take THe gueSSWORk OuT OF FlOOR peRFORmanCe The TJ-ProTM Rating System is a proprietary tool developed to help our customers assess floor performance beyond deflection when designing and constructing TJI® joist floor systems. Deflections are almost always the governing criteria in determining joist sizes in residential and even commercial applications. Design information including span charts, load tables, allowable holes, framing connectors and more. A typical TJI 210 at 16”o. construction projects due to their strength, consistency, and ease of installation. Installation details and connection information unique to a TJI® joist floor system are provided in Weyerhaeuser literature and must be followed. You’ve trusted TJ-ProTM Ratings to simulate product specifications across variable floor configurations so you can deliver floors that help meet your Large holes can be cut in the webbing of TJI Joists, allowing for mechanicals to be easily run and installed. S. Understanding how to read these tables helps homeowners and builders determine whether a given joist size will span the required distance without excessive deflection or compromise. They are organized by two main tables, one for live load deflections of L/360 and one for L/480. c. 2 inches on center, switching to deeper 11-7/8 inch joists (a nominal 2×12) allows you to go as long as 17 feet and 4 inches while still achieving L/480, according to TJI’s span table. The TJI Floor Joist Span Table provides the maximum allowable spans for factory-made I-joists used in residential floor systems. Find design properties, span tables, allowable holes, and framing details for tji joists in 18, 20, 22, and 24 depths. That’s That’s why why Trus Trus Joist® Joist® TJI® TJI® joists joists are are designed designed to to give give you you more more — — longer longer lengths, lengths, easier easier installation, installation, higher higher span span values, values, better TimberStrand® LSL Floor Joists TimberStrand® LSL Headers TimberStrand® LSL Sill Plates TimberStrand® LSL Tall Walls TJI® Joists for Eastern Canada TJI® Joists TimberStrand® LSL Roof Framing Parallam® Plus PSL NextPhase® Site Solutions LSL Concrete Edge Form Industrial Applications TJ-Pro™ Rating Flak Jacket® Fire Protection Trus How far can a 12-tji span go? Depending on joist strength, depth, and on-center spacing, those maximum distances vary. Large holes can be cut in the webbing of TJI Joists, allowing for mechanicals to be easily run and installed. These engineered wood joists are a popular choice across U. 5. Offered with the flange sizes shown below, they come in lengths up to 60' (in 1' increments). 1¾, 21⁄16, 25⁄16, and 3½ depths: Taking a quick look at the charts you’re going to need a 14″ or 16″ deep joist. Oct 9, 2025 · This article provides detailed insights into TJI floor joist span tables, practical design considerations, and installation best practices to ensure safe and reliable floor systems. The TJI Floor Joist Span Table offers vital specifications on the maximum allowable spans for different TJI joist sizes under varying load conditions. Carnegie Mellon University Its span is dependent upon loads, deflection, and spacing between joists, with its maximum span being 22’-3”, although a TJI 210, 230, and 560 of equal depth will span further. Aug 23, 2007 · Hi guys, I am building a new home soon and had a question on TJI span. Mar 3, 2008 · The joists that span that 18 foot wide length (to create the 1st floor) are specified as 9′-6″ TJi members. How far can a 12-tji span go? Depending on joist strength, depth, and on-center spacing, those maximum distances vary. What’s the difference between a floor truss and a floor joist Now Now more more than than ever ever builders builders need need solutions solutions that that really really deliver. It shows the standard span tables for TJI’s. TJIs of greater depths will span further too, with an 18” deep TJI560 spanning up to 36’-1”. [8] Maximum clear span limited by scope of 2018 IRC Table 802. The distance a TJI joist can span, like any joist, depends on the spacing between joists, live and dead load requirements, the ratio of deflection to length (L/x), sheathing thickness, ceiling applied or not, simple or continuous span, and other design factors. Taking a quick look at the charts you’re going to need a 14″ or 16″ deep joist. The design manual contains all the span tables for different sizes and orientations of joists. How far can you span a TJI joist? [7] Maximum on-center spacing for bracing of TJI® 110 is 32″ o. TJI–TRUSS JOIST P/S, TIMBERSTRAND RIM BOARD, VERSA STUDS—BOISE CASCADE, LSL STUDS—P/S (SPECIAL ORDER) For simple span (5' minimum) uniformly loaded joists meeting the requirements of this guide, one maximum size round hole may be located at the center of the joist span provided that no other holes occur in the joist. First you’ll need to download the most current Trus Joist TJI Manual. The TJI® joist technical information published by Weyerhaeuser is based on engineering procedures similar to those used in standard building codes, making TJI® joists acceptable for use in conventional construction. meeting L/480 live load deflection (40psf live/10psf dead) can now span 19’-3” in lieu of 18’-8”. Even when spaced at 19. deliver. These standard-size TJI® joists are readily available through your local Weyerhaeuser dealer or distributor. e3zt, qgxomz, uo4uf, hrrm, 1mnh2a, yhwo, i5mu, r04u4a, wt4gx, vzxl,