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Insulated rail joints (IRJs) are a central element for train localisation within signalling technology. Our portfolio of IRJs is engineered to meet the needs of rail networks worldwide, combining proven technology with innovative material science. A wide range of solutions for all applications – proven in use for decades.

Explore Our Portfolio of Insulated Rail Joints

non-glued insulated rail joint made of steel in the track

Kits for Installation of Glued IRJs

Our kits include all high-quality components for the installation of glued IRJs on-site – ready for use and designed to withstand maximum mechanical forces.

Explore glued IRJ kits

 

rail with factory assembled insulated rail joint made of steel

Rail with Factory-Assembled IRJ

Delivered as a rail with a factory-assembled IRJ, which guarantees the highest level of precision and quality control. Installed in track with two Thermit® welds, it is the ideal solution for high-traffic lines and tracks with high mechanical forces.

See factory-assembled IRJ

Non-glued insulated rail joint made of GFRP in the track

Kits for Installation of Dry IRJs

Lightweight, fast, and easy to handle – our joints reduce installation time significantly, without the use of any glue. This not only simplifies the installation itself, but also makes transport and storage much easier: no hazardous goods restrictions, always available. All while delivering full mechanical strength and high insulation performance.

See dry IRJs

repairing of an insulating end post

Repair Kit for Insulating End Posts

A damaged end post can cause a false signal, resulting in the track section being reported as occupied. Our repair kit provides a quick, reliable, and cost-effective solution to restore insulation, keeping railways operational with minimal disruption.

See IRJ Repair Kit

Why Insulated Rail Joints from Goldschmidt?

The Right Solution for Every Application

Whether standard mainline, heavy haul, metro, or temporary use – our broad portfolio covers every requirement. From proven glued IRJs to innovative dry IRJs, from on-site installation kits to factory-assembled rail joints: We offer IRJ solutions precisely engineered to meet your requirements – supported by our continuous commitment to research, development, and product innovation.

Your Specialist for Insulated Rail Joints – Worldwide

Installation of an insulating joint made of stelle with Isomor mortar

Since 1970, Goldschmidt has been developing IRJ solutions tailored to the most demanding track environments. More than 200,000 installations across the globe. Homologated by leading railway authorities, and manufactured in full compliance with EN 16843 – supported locally, delivered globally.

Available Where You Need It – When You Need It

repairing of an insulating end post

Consistent delivery performance and first-class quality always ensure your operational readiness. Our IRJ kits are stocked locally across the globe, minimising lead times and ensuring maximum track availability.

Explore Products from Our IRJ Portfolio

  • Non-glued insulated rail joint made of GFRP in the track

    IRJ DCL

    L'installazione dell'IRJ DCL nei binari è facile e veloce grazie alla rinuncia alla colla. Il peso ridotto del kit riduce al minimo il carico di lavoro e semplifica la…

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  • non-glued insulated rail joint made of steel in the track

    IRJ DMF

    L'installazione dell'IRJ DMF nei binari è facile e veloce grazie alla rinuncia alla colla. La costruzione robusta di questo giunto isolato per binari offre eccellenti…

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  • rail with factory assembled insulated rail joint made of steel

    IRJ ETW 1

    L'IRJ ETW 1 viene installato con precisione su una rotaia nel nostro stabilimento con una colla bicomponente ad alta resistenza, che garantisce la massima stabilità e…

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  • kit for insulated rail joints made of steel with two-component glue

    IRJ ETW 2

    L'IRJ ETW 2 viene installato nel binario con una colla bicomponente. È progettato per i carichi più elevati e viene spesso utilizzato in aree ad alto traffico.…

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  • Installation of an insulating joint made of stelle with Isomor mortar

    IRJ MT

    L'IRJ MT si installa rapidamente nei binari con la malta Isomor. La circolazione dei treni può riprendere dop soli 25 minuti dall'installazione. Allo stesso tempo,…

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  • repairing of an insulating end post

    Kit di riparazione IRJ

    Il kit di riparazione IRJ contiene tutti i componenti necessari per la riparazione temporanea di intercapedini isolanti danneggiate. La riparazione richiede meno di 30…

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