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  • 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
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    • Market Right Column
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ISO 14001 Certificate – Flexalen (EN)

ISO 14001 Certificate – Flexalen (EN)

The ISO 14001:2015 certificate for Thermaflex Isolatie BV, issued on 09 June 2022, validates their…
August 16, 2026
Certificate of Conformity for Flexalen (FR)

Certificate of Conformity for Flexalen (FR)

The CSTB certifies that Flexalen pipes by Thermaflex Isolatie BV, Waalwijk, comply with QB 08…
August 16, 2026
Certificate of Conformity – Flexalen (FR)

Certificate of Conformity – Flexalen (FR)

The CSTB certifies the conformity of FLEXALEN piping for water distribution and heating, granting Thermaflex…
August 16, 2026
ISO 9001 quality management system certificate – Thermaflex Isolatie BV (NL)

ISO 9001 quality management system certificate – Thermaflex Isolatie BV (NL)

ISO 9001:2015 certificate issued by DNV confirming that Thermaflex Isolatie BV operates a quality management…
August 16, 2026
Certificate of Conformity – Flexalen (FR)

Certificate of Conformity – Flexalen (FR)

The CSTB certifies that FLEXALEN products by Thermaflex Isolatie BV, Waalwijk, comply with QB 08…
August 16, 2026
WRAS Certificate for Flexalen (EN)

WRAS Certificate for Flexalen (EN)

The document is a WRAS certificate for Flexalen, approved on 7th July 2023, confirming its…
August 16, 2026
CSTB certificate – Flexalen (FR)

CSTB certificate – Flexalen (FR)

Certificate issued by CSTB confirming that the Flexalen pre-insulated polybutylene pipe system complies with the…
August 16, 2026
Conformity Attestation – drinking water – Flexalen PB Pipes (EN)

Conformity Attestation – drinking water – Flexalen PB Pipes (EN)

Kiwa GmbH certifies Flexalen PB pipes for drinking water hygiene suitability, valid from March 2026…
August 16, 2026
Certificate of Conformity – Flexalen (FR)

Certificate of Conformity – Flexalen (FR)

The CSTB certifies that Flexalen, manufactured by Thermaflex Isolatie BV in Noormarkku, complies with QB…
August 16, 2026
ISO 14001 environmental management system certificate (NL)

ISO 14001 environmental management system certificate (NL)

Thermaflex Isolatie BV was certified under ISO 14001:2015 for its environmental management system covering the…
August 16, 2026
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Netherlands

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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
      • Flexalen® Multiline
      • 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
  • English
    • Français
    • Deutsch
    • Polski
    • Nederlands
    • Dansk
    • Español
    • Türkçe
    • Български
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