RetroTherm® Joist Deck chipboard with returns 16mm @ 150mm with 50mu aluminium bonded foil facing

RetroTherm® Joist Deck chipboard with returns 16mm @ 150mm with 50mu aluminium bonded foil facing

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RetroTherm® Joist Deck are a range of CNC grooved chipboards suitable for underfloor heating applications. The high performance boards are available in 1200mm and 2400mm lengths, and can be bonded to with a layer of insulation or finished with a foil facing depending on your project requirements.

RetroTherm® Joist Deck boards provide extremely efficient and high performance underfloor heating for building occupants and are ideal for all types of development including residential and commercial. Underfloor heating pipes are laid inside the panels, and able to retain heat efficiently and effectively.

Key Benefits

  • High thermal performance, with foil facing and insulation layer options
  • Suitable for all types of 16mm UFH pipes
  • Good heat outputs – UFH pipes are closer to surface finish than traditional FFB (fit from below) installation
  • Can be used on a acoustic system on separating floors


  • Widths Available – 600mm
  • Lengths Available – 1200mm / 2400mm
  • Thickness Available – 22mm

Thermal Conductivity
0.033 W/mK

Compressive Strength
300kPa, 500kPa

Moisture Absorption

Dimensional Tolerances


**RetroTherm® Joist Deck panels are made to order. Lead time 5 working days**

Please note: we rely upon the services of third party couriers, and whilst we endeavour to always deliver in a timely manner there are unfortunately a few occasions when the couriers fail to deliver on the appointed day and before the specified time. This happens rarely, but we cannot be held responsible for the late delivery of an item, or any costs incurred by customers’ tradesmen unable to work, please ensure you have your materials before booking in any trades. If your product has been delayed, we will do our best to keep you informed of any estimated time and date of your delivery.

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