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Under Underfloor heating

  • 30-03-2010 01:27PM
    #1
    Seanieke
    Registered Users, Registered Users 2 Posts: 853 ✭✭✭


    No, under under isn't a typo, I recall seeing before on the infamous Grand Designs that someone put what I think were ceramic balls as subsrate under the floors to trap heat from the underfloor heating & act as a storage heater... Can anyone shed any more light on this?

    Thanks,
    Seán


Comments

  • #2
    Pete M.
    Registered Users, Registered Users 2, Paid Member Posts: 1,088 ✭✭✭Pete M.


    No, can't really help you there.
    Can only imagine that they used the ceramic as it's denser and retains heat better than concrete or the other way around.
    Perhaps they placed them in the screed though and not below the actual UFH installation though.
    Can appreciate the theory, but it's a bit OTT innit?
    I mean it isn't going to make the system more efficient, just retain the heat differently.


  • #3
    [Deleted User]
    Posts: 31,828 ✭✭✭✭ [Deleted User]


    I'm not exactly sure how you could control a subfloor "storage heater" as once heated, it will radiate its heat upwards in an uncontrolled manner, unless you place insulation over it.

    What you may be thinking of is the use of vermiculite mixed in the subfloor slab instead of EPS insulation. It is being used as an insulator not for heat storage.


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