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SKU: 5015364141264

Simpson Strong-Tie Backer Free I-Joist Hanger with Adjustable Skew

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Versatile, Site-Adjustable Hanger for I-Joist to I-Joist and Solid Joist Connections

The Simpson Strong-Tie ITBS I-Joist Hanger is an innovative, backer-free solution designed to streamline the connection of I-joists or solid joists—especially in skewed configurations. With site-adjustable skew from to 67.5°, this revolutionary hanger eliminates the need for backer blocks and reduces confusion around left/right handedness, making it ideal for modern timber floor systems.

Key Features

  • Backer-Free Design
    Removes the need for backer blocks when supporting from an I-joist header, saving time and reducing material costs.

  • Fully Adjustable Skew
    Accommodates joist skew angles from to 67.5°, including a standard 45° skew, ideal for complex floor layouts.

  • Non-Handed Hanger
    Can be skewed left or right on-site, allowing for complete flexibility and eliminating the risk of incorrect handing.

  • Open Top Flange
    Simplifies positioning and fixing, improving installation speed, especially in tight floor build-ups.

  • Dual Joist Compatibility
    Suitable for both I-joist and solid timber joist headers, increasing versatility across structural timber systems.

  • Optional Nail Holes
    Additional fixing points available to increase download capacity, ensuring performance under heavier load conditions.


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Product Details

Images

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Step 6: Locate the floor joist into the stirrup ensuring the joist is set tight to the back of the stirrup. The joist should be secured into the stirrup with all specified nails on the open face of the stirrup.
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ITBS angle dimensions

Benefits

  • Reduces On-Site Errors
    Handedness confusion is eliminated, making it ideal for fast-paced or flipped floor plans.

  • Minimises Stock Holding
    One product covers a wide range of skews, reducing the need for multiple SKU types in inventory.

  • Simplifies Installation
    Adjustable skew and open flange make it quicker and easier for carpenters to install without custom components.

  • Code-Compliant Strength
    Tested and engineered to meet structural performance requirements without reliance on backer block reinforcement.

Material Specification

Specification Detail
Product Code ITBS Series
Material Pre-galvanised mild steel
Skew Adjustment Range to 67.5°
Default Skew 45°
Joist Compatibility I-joist or solid joist headers
Flange Type Open top flange
Optional Fixings Nail holes for added download capacity

Applications

  • I-joist to I-joist skewed connections

  • Solid joist to I-joist skewed installations

  • Angled floor layouts in residential or commercial buildings

  • Projects requiring reduced installation complexity or component variety

Installation Notes

  • Locate the floor joist into the stirrup and ensure it is set tight to the back.

  • Secure the joist using all specified nails through the open face of the stirrup.

  • Skew angle should be adjusted on-site to match plan requirements before fixing.

  • For increased capacity, use additional optional nail holes as per manufacturer’s technical guidance.

Important Notes

  • Always use Simpson Strong-Tie approved fasteners to maintain structural performance.

  • Ensure the hanger is installed in line with local building codes and floor joist manufacturer guidelines.