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Floor sinking Remedial work

  • 15-12-2017 12:01pm
    #1
    iUsername
    Registered Users Posts: 7 ✭


    Any advise appreciated:

    I bought a new build about 18 months ago, and we've discovered an issue where the floors downstairs are sinking. The issue is with a chemical in the underfloor insulation which is causing it to collapse.
    The remedial work being offered is to remove the floors and pump a 'filler' in to fill the voids.
    I'm trying to find out if anyone has been through this and what works were carried out, and also who should I contact to check if this actually will fix the issue - structural engineer??

    TIA


Comments

  • #2
    sullivk
    Registered Users, Registered Users 2 Posts: 299 ✭✭sullivk


    iUsername wrote: »
    Any advise appreciated:

    I bought a new build about 18 months ago, and we've discovered an issue where the floors downstairs are sinking. The issue is with a chemical in the underfloor insulation which is causing it to collapse.
    The remedial work being offered is to remove the floors and pump a 'filler' in to fill the voids.
    I'm trying to find out if anyone has been through this and what works were carried out, and also who should I contact to check if this actually will fix the issue - structural engineer??

    TIA

    Pm sent


  • #3
    Gumbo
    Moderators, Society & Culture Moderators Posts: 39,802 Mod ✭✭✭✭Gumbo


    iUsername wrote: »
    Any advise appreciated:

    I bought a new build about 18 months ago, and we've discovered an issue where the floors downstairs are sinking. The issue is with a chemical in the underfloor insulation which is causing it to collapse.
    The remedial work being offered is to remove the floors and pump a 'filler' in to fill the voids.
    I'm trying to find out if anyone has been through this and what works were carried out, and also who should I contact to check if this actually will fix the issue - structural engineer??

    TIA

    Who told you it was the insulation?
    There was/is a bad bath of -snip- Insulation that was used and it compresses while under load especially from floor slabs and sides them to sink.

    The only way to fix is to remove the slab, insulation and start again.


  • #4
    somofagun
    Registered Users Posts: 78 ✭✭somofagun


    I have come across this with a new house which used Ballytherm insulation which a core test had shown the insulation had compressed.
    Ballytherm but it down to a bad batch of insulation.
    Are the floors sinking at the primeter of the room. Problem is that guys are throwning in sand/cement screeds these days without compacting them down and then you get srinkage which has happened in my own home, this shows up with gaps opening up between floor and skirtings.


  • #5
    clairecee
    Registered Users Posts: 5 ✭clairecee


    sullivk wrote: »
    Pm sent
    Hi there, have u got experience of Ballytherm pumping floors? We have the same issue and would be interested to hear how successful it is before we do it.


  • #6
    somofagun
    Registered Users Posts: 78 ✭✭somofagun


    I have heard this remedy for pumping the void under the floor slab. If you have pipes running through the floor screed it could cause problems. The 2 options i see is remove the floor screed and completely relay the insulation and screed or use a self leveling compound to level the floor on top of the screed but ur not sure if the floor as stopped moving.
    I did hear from a source that the problem is that ballytherm were not giving the insulation time to cool properly, it was being cooked in the factory and sent out within days


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  • #7
    macsparrow
    Registered Users Posts: 1 ✭macsparrow


    I have the same problem.
    Does anyone have any advise how to go about it ?


  • #8
    Farney Farmer
    Registered Users Posts: 80 ✭✭Farney Farmer


    macsparrow wrote: »
    I have the same problem.
    Does anyone have any advise how to go about it ?

    Any update on this? Have the same problem here. Would like to hear what anybody else did? TIA


  • #9
    clairecee
    Registered Users Posts: 5 ✭clairecee


    Farney Farmer wrote: »
    Any update on this? Have the same problem here. Would like to hear what anybody else did? TIA

    You need to contact Ballytherm and take it from there.


  • #10
    homewardbound11
    Registered Users, Registered Users 2 Posts: 916 ✭✭✭homewardbound11


    Any idea of timeframe for these batches or even when the houses were built. We have 110 ml of Bally therm in the floor from 2010 . No issues .


  • #11
    clairecee
    Registered Users Posts: 5 ✭clairecee


    You’re safe. Bad batches were made around 2014-2015 and problems showed about a year later.


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  • #12
    Hopetobuysoon
    Registered Users Posts: 4 ✭Hopetobuysoon


    Hi folks,
    I'm having similar problems as outlined above, not all that confident in the response I'm getting from Ballytherm if I'm honest. We're the issue resolved in your own homes?

    Thanks for any advice.


  • #13
    clairecee
    Registered Users Posts: 5 ✭clairecee


    Stick with them, they’re actually dead on. First few emails were slowly responded to but it improved after. Good luck!
    Hopetobuysoon wrote: »
    Hi folks,
    I'm having similar problems as outlined above, not all that confident in the response I'm getting from Ballytherm if I'm honest. We're the issue resolved in your own homes?

    Thanks for any advice.


  • #14
    aoc77
    Registered Users Posts: 18 ✭aoc77


    Hi. Had the same issue. Ballytherm pumped resin in to fix voids. Homebond checked the issue and confirmed proposed solution was appropriate. We now have no gaps and floors perfect. Took about 5 weeks including repaint and refloor.


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