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ThermaSmart PRO Sheet

Sheet insulation for large surface areas
ThermaSmart PRO sheet insulation
ThermaSmart PRO sheet insulation
ThermaSmart PRO sheet insulation
ThermaSmart PRO sheet insulation

ThermaSmart PRO sheet insulation offers a durable protection of larger surface areas such as ducts, chillers and air handlers. It is ideal for green building projects and meets today’s most stringent demands in respect to long-term insulation performance, minimizing the risk of damage, condensation or corrosion of HVAC installations.

Complete insulation with ThermaSmart PRO sheet

ThermaSmart PRO sheet ensures long-term insulation of your complete energy infrastructure in a safe and reliable solution and can be used for various applications:

  • Large diameter pipes (DN > 114mm)
  • Big insulation thicknesses (> 30mm)
  • Ventilation ducts
  • Fittings
  • Compressors
  • Heat exchangers
  • Valves
  • Tanks and water heaters
  • Chillers
  • Various other applications

We’ve got you covered

Large surface area insulation with multiple benefits:

  • High energy performance over a long lifetime
  • Eliminates risk of condensation
  • Hydrophobic and non-absorbing
  • Excellent fire resistance
  • Stable properties over product lifetime
  • Excellent mechanical resistance to tears, scratches and punctures
  • UV resistant
  • Stress-crack resistant
  • Environmentally friendly and 100% recyclable upon reclaim
  • Cradle to Cradle Certified™ Bronze

Calculate your savings

We offer a free online insulation calculator that tells you the energy saving potential of ThermaSmart PRO sheet over the lifetime of your HVAC installation. The calculator combines both tubes and sheet insulation.


  • Roll length: 4m to 104m
  • Roll width: 1m
  • Thickness: 10mm, 13mm, 19mm, 25mm
  • Sustainability

    Cradle to Cradle Certified™ Bronze

    100% recyclable

    UL-certified Environmental Product Declaration (EPD) available

    Download it in the knowledge center!

  • Fire

    Excellent flame extinguishing properties

    SBI B, s2, d0

    IMO FTP Code res. MSC.61(67) smoke generation according to ISO 5659-2 (1994)

    UL 94-HF

  • Health

    Produced without (H)CFC

    Complies to REACH

    Complies to VOC (Volatile organic components)

    Complies to RoHS (Restriction of Hazardous Substances)

  • Certificates

    Cradle to Cradle Certified™ Bronze Product Certificate

    Cradle to Cradle Certified™ Bronze Material Health Certificate

    CE system 1 certified (including 3rd party control)

    Bureau Veritas approved for shipbuilding (up to 13 mm)

    Wheelmark approved (up to 13 mm)

  • Insulation

    Flexible Thermoplastic Elastomeric (TPE) foam

    Excellent insulation properties

    Lambda 0.038 W/mK at 40°C (EN 12664)

    Lambda 0.034 W/mK at 0°C (EN 12664)

    Values are degassed values (EN 14313)

  • Water

    Closed cell structure

    Integrated water vapor barrier

    Water vapor resistance ϻ-value ≥ 5,300 (EN13469)

    Water absorption WS01 (EN 13472)

  • Service temperatures

    Wide service temperature range

    Minimum -80°C

    Maximum 95°C (EN 14707)

  • Additional information

    For more details contact Thermaflex or download the technical datasheet!

  • Availabilities

    Available in thickness: 7.5 - 10 mm - 13 mm - 19 mm - 25 mm

    Available in width: 50 cm - 60 cm - 100 cm - 120 cm

    Color: dark grey

  • ThermaSmart PRO Sheet

    Sheet and Self-Adhesive sheet

  • ThermaSmart PRO Sheet

    Our assortment in Imperial units

Discover the benefits of ThermaSmart PRO for engineers here

… or download the ThermaSmart PRO product guide for technical details.

Discover the benefits of ThermaSmart PRO for installers here

… or download the ThermaSmart PRO product guide for technical details.


  Data Center 2.0 in Doral, Florida summary presentation PDF 4571 KB Preview Download Mail

Summary presentation of the renovation of the thermal insulation at the chilled water system in a Data Center done by GPipes.

Brochures Catalogues

  ThermaSmart PRO Product Guide PDF 2430 KB Preview Download Mail

Installation Manuals

  Insulation - Sheet insulation on rectangular ducts PDF 1127 KB Preview Download Mail
  Insulation - General information PDF 3386 KB Preview Download Mail

Safety Data Sheets

  Insulation: ThermaSmart PRO Sheet PDF 422 KB Preview Download Mail

Safety Data Sheet: ThermaSmart PRO Sheet material

Environmental Certifications

  ThermaSmart PRO - Green Building Specifications (LEED & BREEAM) PDF 120 KB Preview Download Mail
  ThermaSmart PRO - EPD PDF 1468 KB Preview Download Mail

In order to help you reach your sustainable targets, we have designed our ThermaSmart PRO range of products in a responsible way.

This declaration is an Environmental Product Declaration (EPD) in accordance with ISO 14025. EPDs rely on 3rd party verified Life Cycle Assessment (LCA) to provide information on a number of environmental impacts of products over their life cycle.

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