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How long to use Dehumidifier?

  • 07-09-2012 8:17pm
    #1
    readytostart
    Registered Users, Registered Users 2 Posts: 14 ✭


    Our finished floor is in over 4 and a half months now, so estimating that it takes an inch a month to dry, and it was 4 "deep, we would have expected it to be dry by now.
    However when we took moisture meter reading 3 weeks ago, it was giving us readings of 5.5 -6%.
    To lay the wooden floors, the manufacturer recommends that the floor need to be 3%.
    We got a dehumidifier in and for the last three weeks it's taking a massive 20litres of water out every day!
    We measured moisture content again today and it is still only at 5%.
    Cracks are starting to appear now and we're starting to get nervous.
    Should we stop using the dehumidifier? Has anybody got a rough idea of how long it will take to dry out if we leave the dehumidifier going?
    Thanks in advance.


Comments

  • #2
    muffler
    Registered Users, Registered Users 2 Posts: 46,556 ✭✭✭✭muffler


    You should never use a dehumidifier in a new build in my opinion. A low to medium heat and good ventilation will assist with the drying out in a efficient manner and leave you "crack free".

    But given the situation you have outlined above Im guessing the amount of water is coming from not only the floor. Just bear in mind that unless you have underfloor heating then the floors will be the last of the elements to dry out completely.


  • #3
    readytostart
    Registered Users, Registered Users 2 Posts: 14 ✭readytostart


    Thanks for reply - we don't have underfloor heating so like you say the floor will be the slowest. We just didn't expect it to be so slow!
    The house is pretty airtight, as we will be using MHRV for ventilation and even with the windows open there is not much of a cross draught, so that, along with a really wet summer , I don't think it's helping the drying situation.
    We've been at the building for over a year now and at this stage just want to move in.
    The heating has been for almost 2 months, so hoped that would have helped.
    The dehumidifier was a last resort, as we had given the floor 4 months to dry naturally on its own with windows open every day.


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