You Can Trust

For all industries with extreme temperatures and working conditions, Calderys is there for you. Combining a global network with local expertise, Calderys offers customised solutions wherever you are: from monolithic refractory to bricks and precast shapes to a full range of engineering and installation services. Discover for your industry how Calderys can help you achieve more.

Calderys is part of Imerys' High Temperature Solutions business area. 

Our response to Covid-19

Calderys continues to monitor the Covid-19 situation on a daily basis. The health and safety of our colleagues and business partners remain our highest priority and we are therefore following strict safety measures.

Aerial view of Calderys refractory production plant in Sweden


With over 100 years of experience in refractories, Calderys is trusted across industries and around the world.

Our innovative, high performance, modular and adaptable refractory solutions cover every step of your processes. Thanks to close partnerships with our customers, our solutions contribute to increased productivity and also help to meet reliability and safety requirements.


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Aluminium Furnace

Boilers & Incinerators

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Boiler & Incinerator - Sweden Photo


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Cement plant - Refractory solutions


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Crucible Furnace - Foundry


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Ironmaking - Iron industry

Refining & Petrochemicals

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Oil Refinery

Reheat Furnaces

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Reheat furnace


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Steelmaking - Steel Industry


Calderys offers a full range of services, tied in closely with our world-leading refractory product line. Selecting and delivering the right solutions for our customers is paramount.

Engineering & Design

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Engineering - Iron Runner Refractory Design Drawing


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Installation - Refractory gunning example

Installation Supervision

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Installation supervision on-site


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Logistics - Calderys products go to your site anywhere in the world


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Maintenance - Machine Storage at Calderys

Material Selection

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Refractory Material Selection - Calderys Expertise


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Precast Delta Roof for EAF - Steel example

Project Management

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Project Management

Quality Control

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Quality Control - Calderys lab expertise


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Training at Calderys in Japan

Refractory & Safety Assessments

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Calderys Refractory and Safety Assessments
Calderys career image - logistics
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Careers & Opportunities

Whether you're a recent graduate or an experienced professional, Calderys is the ideal place to embark on an exciting and rewarding career path.

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Calderys is committed to providing the highest level of customer service. If you didn't find the information you were looking for please contact us and we will get back to you.