TJI I-Joists

Contact us to discuss your requirements of i joist beam. Our experienced sales team can help you identify the options that best suit your needs.

When you choose Trus Joist, you're choosing the brand that:

-Invented the very first I-Joist over 50 years ago

-Lead innovation and design to create a suite of Engineered Wood Products, including I-Joist, LVL Microllam, LSL Timberstrand, and PSL Parallam

-Pushed the limits of span charts to make the open floor concepts of today a reality 

-Has been the #1 used I-Joist for the past 14 years 

-And is one of the most trusted brands in the building community today.

Trus Joist.  The Only Choice. 

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Available Sizes 

Span Chart

L/480 is the design criteria we recommend for the best performing floor

Features and Benefits:

-LVL Flange for superior strength and a squeak-free floor

-Capable of spans up to 32'

-Pre-notched holes for mechanicals 

-Multiple depths and series for any application

-In-house design and engineering 

-Long Spans

        I-Joists can span up to a whopping 32' without support, giving custom home builders the ability to create open floor plans that customers demand

-LVL Flange

        An LVL flange is critical for a high performing floor because it prevents squeaky floors in two ways.  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 squeaks 

-Engineered for Consistency 

        All TJI Joists will be perfectly straight and will not twist, warp, or cup

-Allow for spacing for HVAC, Electrical, and Plumbing

        Large holes can be cut in the webbing of TJI Joists, allowing for mechanicals to be easily run and installed.  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.  This software creates a layout and specifies where every single framing member goes.  When the material arrives on the jobsite, there is minimal cutting, and carpenters know exactly where every joist goes. 

Trus Joist I-Joist Product Page

Trus Joist I-Joist Installation Guide

Allowable Holes I-Joists & Beams

Trus Joist I-Joist Spec Sheet

Trus Joist I-Joist Warranty

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 Floor Plan Takeoff Process

Sample Floor Plan Layout

Minimum Criteria Span (per code)

Fiber Source

Installation Videos 

The universal I beam consists of two horizontal plates - flanges - connected by a vertical component, the web. The shape of the flanges and web form an &#;I&#; or &#;H &#;-shaped cross-section. I beams are mostly made from structural steel, although other metals such as aluminium, stainless steel and carbon steel (mild steel) can be used.

People can buy steel I beams online in various sizes and specifications, where they have the option to determine web thickness, flange length and section depth. Understanding this is essential as builders would order steel beams based on the requirements of their project. 

When a builder orders steel online, I beams would be split by various number combinations. For example, a 127x76x13 UB (S355) would detail the web length, the flange length and the thickness in millimetres. The S355 figure describes the grade of steel used, which can vary across steel fabrication companies.

But builders have to take the following into account when they buy steel:

1. Deflection

   - the beam must be thick enough not to deform.

2. Vibration

   - there needs to be as little vibration as possible.

3. Buckling

   - the flanges should prevent buckling from all angles.

4. Bend

   - the steel beam cross-section should accommodate yield stress.

5. Tension

   - the web shouldn&#;t buckle or ripple under pressure.

Due to these structural steel beams&#; unique design, they can bend under high stress without buckling. This is why the axial fibres within the beams contain most of the material and where most of the force is directed.

For more information, please visit H20 formwork beams.