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underfloor heating system, can it, when it expands and contracts, break tiles??

  • 22-07-2010 9:56am
    #1
    LithiumKid1976
    Registered Users, Registered Users 2 Posts: 432 ✭✭


    hi
    just nearing the end of our build.
    we have geothermal and underfloor heatings installed (not turned on yet), the floors are poured and drying now, about 30% dry at the minute.

    our tiler mentioned that, the way the floor was poured, without an expansion area near the door, that once the floors heat up, the expansion - contracting of the floor as it heats and cools can cause the floor tiles to crack....

    obviously this wouldnt be ideal as we are spending a good bit on the floor tiles.

    so im just wondering if any one has any experience of this happening??
    Thanks


Comments

  • #2
    rebellad
    Registered Users, Registered Users 2 Posts: 227 ✭✭rebellad


    When we were putting in the tiles the tiler recommened getting special grout for the floors tiles that was specifically for UFH, I think the grout is expandable or something along those lines - no cracked tiles so far anyways and we are in a year....


  • #3
    LithiumKid1976
    Registered Users, Registered Users 2 Posts: 432 ✭✭LithiumKid1976


    thats good to hear, hopefully ours will be ok too.
    still letting the floor dry for a few more weeks, and will have heat in it soon, so we are planing to have it as dry as possible before the tiler starts...

    Thanks again.


  • #4
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    Snag item to watch out for - at the room edges before skirtings go on .. make sure no "snots" of adhesive or grout remain between the last tile and the wall edge . You could get local pinch points if there is not a continuous opn gap between the "last" tiles and the walls


  • #5
    BarryM
    Registered Users, Registered Users 2 Posts: 837 ✭✭✭BarryM


    Any specific advice/info for UFH and tiles in an all glass conservatory? I am looking at a special offer in B&Q (Ok, I know there are others..) only €7.50/sq.m. - too good to be true? says they are ok for conservatory.

    Tnks Barry


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