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Alternative flooring over UFH

  • 11-01-2018 10:45am
    #1
    looksee
    Registered Users, Registered Users 2 Posts: 29,430 ✭✭✭✭


    We are looking at getting an air to water system with UFH, but I do not want tiles or concrete as flooring. How effective would other floorings (preferably laminate) be with the constant heat of air to water? Has anyone any experience with this?


Comments

  • #2
    Calahonda52
    Registered Users, Registered Users 2 Posts: 13,143 ✭✭✭✭Calahonda52


    A layman's guide to the science of heat transfer

    https://www.engineeringtoolbox.com/thermal-conductivity-d_429.html

    and
    https://www.engineeringtoolbox.com/heat-capacity-d_338.html
    may help

    https://www.boards.ie/vbulletin/showthread.php?t=2055279686

    https://www.designingbuildings.co.uk/wiki/Decrement_delay

    I will try explain the last one a little:

    Low density insulation such as the XPS products and glass fibre, have in general, a much lower density and lower heat capacity, than say wood fibre.

    So when used in an A roof, the denser material will absorb the sun's heat, say for 8 to 12 hours before the inside face of the insulation will reach the outer face temp, at which point the sun sets, wood fibre releases the embedded heat and off it goes again.
    The laminate will create a longer response time and may require it running for longer, and maybe at a higher temp, but in the long run, it will transfer the heat, as the UFH as a heat source may only "set" for 6 hours at night, if at all.

    “I can’t pay my staff or mortgage with instagram likes”.



  • #3
    V0X
    Registered Users, Registered Users 2 Posts: 50 ✭✭V0X


    We mainly have 15mm engineered wood flooring over our UFH via A2W heat pump. Works well for us. There is a difference when compared to our tiled bathroom heat wise. I don't know if energy efficiency is affected but the heat certainly radiates through the wood but just takes a little longer to penetrate.


  • #4
    Big Dec
    Registered Users, Registered Users 2 Posts: 57 ✭✭Big Dec


    I have used Kronotex Mammut laminate through my living areas, with kitchen, halls and bathroom tiled.
    Don't really see any issues & mine has been running > 2 years (although off for 5-6 months in warmer months).
    Make sure you use appropriately spec'd underlay.
    I used Floorwise Acoustica Good as this was recommended by a few suppliers.

    I have a sunroom with vaulted ceiling and lots of windows.
    In hindsight, I should have tiled this rather than using laminate as I feel that I would not need to run the flow temp so high for the heat to radiate into the room.


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