insulation in high temperature

DUALINVEST specialises in refractory and high temperature insulation. With decades of experience, this innovative company manufactures and distributes cost- and energy-efficient products that meet the highest quality standards.

Reliable Expertise

Expert advice and turnkey implementation for thermal and high temperature insulation projects.

Fast delivery times

High production capacity with extensive reseller and supplier network for rapid delivery.

Ensuring operational reliability from readily available supplies

With intelligent planning, a demand-led inventory ensures products are available immediately, avoiding downtime and additional costs.

A wide range of products for various industries

We offer the best solution based on the specific requirements of each industry. Our high temperature and refractory insulation systems guarantee energy savings to reduce the industry's carbon footprint.

"The key to success is the service before, during and after the sales" - Mihály Kappel

High temperature insulation products

The market for high temperature refractory insulation materials is evolving rapidly. Environmental and health and safety requirements are constantly expanding, demanding higher quality, durability and value for money. The dynamic market for insulating materials, together with specifications and various standards, makes it difficult for customers to choose from the international product supply.

We are independent experts in high temperature insulation offering a comprehensive assessment for solving insulation problems. We then use this analysis to draw up a customised technical and sales proposal for the optimal insulation system. The supply and delivery of our products can be ensured at short notice from DUALINVEST Ltd's own warehouse, stocked with an extensive inventory of special insulation materials.

So don't take any risks, take advantage of our expert market experience and international network to find the perfect cost-effective solution to reduce your energy consumption. Let us take care of your thermal engineering, use our services!

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What we produce

Ceramic fibre shaped products resistant up
to 1850 °C

We have extensive experience producing energy-efficient, environmentally friendly ceramic fibre shaped parts as well as high temperature insulation module systems and gaskets and seals. Our clients represent almost the entire industrial vertical covering aluminium, iron and steel, foundry, household appliance, glass and ceramics and petrochemical industries.

CAD systems support production.

Join us as a partner

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Consultation and planning

Design and prototype development

Quality control

Packaging and shipping


Written by our satisfied customers

Our relationship/collaboration with DUALINVESTt has been ongoing since day one. We have experienced and participated in the gradual growth of the company, which is a model of consistent, caring and forward-thinking business development. It happens rarely in this partnership, as in any business relationship, that we encounter complications. However, the key is in how we deal with the problem. Resolving issues in a cooperative, communicative manner, with a positive outcome, and utilising the wealth of experience is vital for a commercial enterprise. DUALINVEST is not just a "simple" trading company. DUALINVEST does not sell, they serve. The two words represent a weighty difference, the latter of which characterises our harmonious cooperation.
Peter Antal
ANTAL Industrial and Trading Ltd.
We have worked with the CEO of DUALINVEST Ltd. in various fields over the past 3 decades. From the supply of fibre ceramic insulation to the wide range of additional industrial insulation materials, through the refractory linings and insulation of industrial furnaces, we have been together on a long journey. DUALINVEST Ltd. is an excellent partner in providing solutions for the specific needs of thermal engineering installations and in promoting new technologies. For the numerous successful projects founded on mutual trust, we wish you a successful future and exciting new challenges.
Ágnes Szendrői
Tűzállótechnika Kft