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Discuss Insulation Boards thickness in the Tiling Forum area at

  1. jimbo

    jimbo Professional Tiler

    What are the advantages of 20mm boards against 10mm boards on top of concrete slab. Would the underfloor heating on top heat up any quicker or would the thicker board just prevent the heat from dispersing less
  2. Plan Tec Tiling

    Plan Tec Tiling Administrator Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Wimborne, Dorset
    Both. Faster warm up time and less heat loss
  3. Adey1980

    Adey1980 Trusted Advisor Professional Tiler

    And also cheaper to run as less heat loss
    • Like Like x 1
  4. Tile Fix Direct

    Tile Fix Direct Julian at TileFix Direct TF Official Sponsor

    The thicker the insulation the more you insulate the floor from the cold slab. This will mean you will not need to turn the heating on as much, and when you do it will use less energy for a given room heat.
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