Trained installers deliver better results, keep to the scheduled installation time and cause less waste and damage. We offer a complete training portfolio for installers of PE foam insulation and Flexalen pre-insulated piping systems.
Installation training for optimal system performance
Whether you need to insulate HVAC system, marine cooling systems, or DHC piping networks, Thermaflex Academy has the training to elevate your team's expertise and credentials. Browse our training porfolios and request a custom programme tailored to your specific project.
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Flexalen socket fusion technique
Duration: half day
Goal: learn about socket fusion for Flexalen parts (temperatures, pressure and cooling down)
Target audience: installers of heating and cooling networks
Flexalen piping system installation
We offer training for infra contractors, installers and energy companies at our training facilities or any other suitable location. Participants who pass the test will receive a certificate of participation. We recommend a refresher course every two years.
Duration: 1 day
Goal: learn to install Flexalen® 600 and Flexalen® PU for heating and/or cooling networks, including welding (electro fusion) and post-insulation of joints
Target audience: all those involved in the installation of heating and cooling networks
Flexalen butt fusion technique
Duration: half day
Goal: learn about butt fusion for Flexalen parts (temperatures, pressure and cooling down)
Target audience: installers of heating and cooling networks
We offer training courses for installers of insulation for heating, cooling, refrigeration, air conditioning systems, and customized insulation projects. These take place in our training facilities or on project sites.
ThermaSmart Marine Professional
Duration: 1 day
Goal: learn to properly insulate a simple (dummy) system with sheet and tubes, including tees and bends
Target audience: installers and insulators in the marine sector without experience with thermoplastic tube and sheet insulation
ThermaSmart Marine Expert
Duration: 1 day + evaluation/inspection at project location
Goal: learn to properly insulate complete cooling systems in ships
Target audience: installers and insulators in the marine sector who have passed the Professional training or who have experience with insulating with other materials (e.g. rubber)
“The training seminar was well-structured, combining theory and practical sessions. Ton Van Soest's expertise and helpful attitude made the learning process enjoyable. Left feeling confident and equipped with skills for effective insulation application. We are very excited for our collaboration with Thermaflex.”
Mariam ManoliNaval Architect
ThermaSmart PRO Foundation
Duration: 1 day
Goal: learn to properly insulate a simple (dummy) system with sheet and tubes, including tees and bends
Target audience: installers and insulators without experience with thermoplastic tube and sheet insulation
ThermaSmart PRO Professional
Duration: 1 day + 1 day on-site support
Goal: learn to properly insulate a complex system with sheets and tubes
Target audience: installers/insulators who have passed the Foundation training or who have experience with insulating with other materials (e.g. rubber)
Why work with us
Thermaflex combines decades of expertise with a commitment to sustainable innovation. As your trusted partner, we deliver more than products, we provide comprehensive technical support, proven solutions, and collaborative partnerships that help you achieve project success, regulatory compliance, and long-term operational efficiency across various markets and applications worldwide.
- Expert support
- Global experience
- Reliable delivery
- Flexible solutions
- Innovative approach
- Sustainable practices
- Technical guidance
- Long-term partnerships
- Proven quality
- Customer-focused
Sustainable insulation for efficient buildings
Watch video7 signs that co-development could improve your business
In many situations, co-development can increase the chance of success by sharing knowledge, resources, and risk. This way, you can lift your business to a higher level and strengthen your competitive position in the market. If you recognize one of the 7 points mentioned in our free white paper, you should consider a co-development partner.
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Frequently asked questions
How sustainable are Thermaflex solutions
Thermaflex is committed to genuine sustainability across our entire product portfolio. Our solutions achieve Cradle to Cradle® Certification, carry Environmental Product Declarations (EPDs) supporting LEED, BREEAM, and DGNB certifications. We’ve transitioned to renewable energy in our operations and are dedicated to net-zero emissions. Through circular economy principles, safe material formulations, and transparent lifecycle reporting, Thermaflex enables customers to build sustainably without compromising performance. Read more.
Does Thermaflex offer technical support
Yes. Our team provides comprehensive engineering support including system and network calculations, material selection guidance, compliance documentation, installation trainings and project support. Contact our team by email international@thermaflex.com, or explore more services here.
What applications are the insulation products suitable for
Thermaflex solutions serve various market sectors: HVAC/R systems, construction, district heating and cooling networks, drinking water distribution, marine/shipbuilding, equipment manufacturing, packaging, and other specialized applications including transport and industrial systems. Learn more about our applications here.
In how many countries is Thermaflex active
Thermaflex is a global company, headquartered in the Netherlands, with production facilities in the Netherlands, Poland, Turkey, and Thailand. We have sales offices across multiple continents including France, Germany, Austria, Denmark, and Asia, allowing us to serve customers globally. Find our internatioanl offices here.
Can Thermaflex insulation be customised
Yes. We offer two levels of customization: Factory Customization produces precision-engineered solutions including custom-dimensioned components, specialized fittings, and integrated assemblies; Co-Development partners your expertise with our R&D capabilities to create solutions for unique applications, specialized requirements, or OEM integration. Contact us to find out more.

