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Underfloor with no screed

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    #2
    shane 007
    Closed Accounts Posts: 914 ✭✭✭shane 007


    The main downsides of that design is 1) you have no thermal mass to store & dissipate heat & no thermal mass generally does not suit UFH and 2) timber is a natural insulator, thus poor at allowing the heat through it from the system to the room.

    There are suitable designs on the market to allow a light weight mix suitable for timber construction floors & then a suitable floor covering can be applied to this.


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    #3
    timod
    Registered Users Posts: 430 ✭✭timod


    Thanks Shane.

    I'm now looking at something like the fermacell 2e22 board. Seems to be designed for this purpose.
    http://www.floorinsite.com/fermacells-underfloor-heating-system-provides-superior-results/


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    #4
    shane 007
    Closed Accounts Posts: 914 ✭✭✭shane 007


    timod wrote: »
    Thanks Shane.

    I'm now looking at something like the fermacell 2e22 board. Seems to be designed for this purpose.
    http://www.floorinsite.com/fermacells-underfloor-heating-system-provides-superior-results/

    Yes I see that but where's the thermal mass. Basically it will heat like an on demand system but at lower temperature.
    What is your fuel source?


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    #5
    timod
    Registered Users Posts: 430 ✭✭timod


    Hi Shane, I have a gas boiler for the UFH.

    The rest of the ground floor is polished concrete, so has an inherent thermal mass, and works very well. It has been up and running for the past 6 weeks. It's just one room, south facing, that will have the wooden floor, and it's on a separate zone, so the yes, a responsive on-demand heat. (I'll probably be installing a stove in that room in the future also)

    Tim


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