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Geothermal Wells Renovation in Topusko, Croatia (DE)

Geothermal Wells Renovation in Topusko, Croatia (DE)

Case Study of Flexalen® 600 and PU SL in geothermal heating network in Top-Therme wellness…
October 11, 2026
Sales Representative South East Europe

Sales Representative South East Europe

Join our team as the Sales Representative for our insulation solutions in the South East…
Julia CzabakMarch 18, 2026
Geothermal wells renovation with Flexalen® 600 & PU SL pre-insulated pipes Aerial view of a recreational swimming pool complex with water slides, Olympic-size pools, and a tennis court surrounded by greenery in Croatia.

Geothermal wells renovation with Flexalen® 600 & PU SL pre-insulated pipes

A sustainable geothermal water supply network was developed using pre-insulated polybutene-1 pipes, which benefited recreational…
Julia CzabakJune 24, 2025

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Close Menu
  • Solutions
    • Solutions Left Column
      • Technical InsulationPE foam insulation solutions for the distribution of hot or cold liquids
      • Protection ProfileCustomised PE foam profiles for shock absorption and protection
    • Solutions Right Column
      • Insulated piping systemsFlexible pre-insulated piping solutions for heating and cooling networks
      • Insulated ducting systemsPre-insulated ducting solutions for HRV
  • Applications
    • Applications Left Column
      • Heating NetworksPre-insulated heating network systems
      • Cooling NetworksPre-insulated cooling distribution pipes
      • BiomassPre-insulated pipes for biomass & biogas
      • GeothermalPre-insulated piping for geothermal
      • Hot & Cold Drinking WaterPre-insulated potable water piping
      • Heat PumpsFlexible pre-insulated heat pump connection set
      • Heat Recovery VentilationPre-insulated ducting system
    • Applications Main Column
      • MaritimeMarine & offshore insulation solutions
      • Air ConditioningHVAC air conditioning insulation
      • RefrigerationCondensation-free refrigeration pipe insulation
      • HeatingCommercial & residential heating system insulation
      • SanitaryCondensation control for sanitary pipes
      • VentilationHVAC ventilation system insulation
      • Equipment ManufacturingCustomized solutions
      • PackagingPE foam for product protection
  • Products
    • Pre-insulated pipe product lines
      • Flexalen® 600
      • Flexalen® 600 HP
      • Flexalen® PU
      • Flexalen® prefabrications
      • Flexalen® PHC
      • Protectube
      • Flexalen® system accessories
      • Flexalen® tools
      • TQ-Air®
    • Insulation product lines
      • ThermaSmart® PRO
      • ThermaSmart® Marine
      • ThermaSmart® ENEV
      • ThermaSmart® ENEV-Q
      • ThermaEco® FRZ HF
      • ThermaEco® ZZ
      • Ultra M
      • ThermaCompact
      • ThermaRod
      • ProFoam
      • Heating Cables
      • Insulation Tools & Accessories
  • Markets
    • Market Left Column
      • DHC for Energy TransitionSustainable heating & cooling networks for renewable energy
      • ConstructionInsulation & pre-insulated piping for building projects
      • InfrastructureFrost protection & fire safety for critical projects
      • Marine ShipbuildingCertified insulation for vessels & offshore
    • Market Right Column
      • Original Equipment ManufacturersCustom thermal solutions for product integration
      • Industrial FacilitiesEnergy savings insulation for industrial facilities like food & beverage
      • Data Centers & TechnologyEnergy efficiency for high-density computing
      • PackagingPE foam protective solutions
  • Support
    • Engineering and supportTechnical support in design and installation
    • Installation TrainingOur training portfolio
    • Co-DevelopmentDeveloping customised solutions
    • Pipe Pre‑Insulation ServiceInsulation for pipe manufacturers
  • Resources
    • DownloadsDownloadable resources in one place
    • Case StudiesGlobal solutions, real-world impact
    • BlogExplore expert insights
    • Project ReferencesCollection of impactful projects across all markets
  • Insulation Calculator
  • ThermaSize tool
  • Contact
  • News
  • Careers
  • About Thermaflex
    • SustainabilityWe take responsibility
    • 50 Years of ThermaflexCelebrating 50 years of innovation
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