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Dampness coming from the chimney.

  • 04-05-2011 9:08pm
    #1
    C81
    Registered Users, Registered Users 2 Posts: 41 ✭


    Hi,

    i just have noticed recently dampness appearing on the wall in my bedroom on the chimney breast. Any suggestions on where its coming from? my house is only 4 yrs old. Can i get my builder to look at this??


Comments

  • #2
    Spear
    Moderators, Computer Games Moderators, Technology & Internet Moderators, Help & Feedback Category Moderators Posts: 25,763 CMod ✭✭✭✭Spear


    Moved from N&F.


  • #3
    sullzz
    Registered Users, Registered Users 2 Posts: 2,409 ✭✭✭sullzz


    Is it at the ceiling , if so check in the attic for signs of dampness , prob the lead flashing at the roof


  • #4
    C81
    Registered Users, Registered Users 2 Posts: 41 ✭C81


    no, its approx 3-4 ft from the floor. the paint has bubbled as such. if i touched it it would crumble.its about the the size of an adults hand.


  • #5
    yoshytoshy
    Closed Accounts Posts: 3,305 ✭✭✭yoshytoshy


    is your fireplace closed up?
    Your always suppose to leave ventilation through a chimney to prevent dampness.


  • #6
    C81
    Registered Users, Registered Users 2 Posts: 41 ✭C81


    I have clothing put into black bags stuffed up the chimney to prevent drafts and wind coming down. I haven't the top of the chimney sealed.. Would the clothing in a bag up the chimney cause this???


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  • #7
    heinbloed
    Registered Users, Registered Users 2 Posts: 1,632 ✭✭✭heinbloed


    What yoshytoshy means is that if rain gets into the chimney it should be allowed to drain-off and the chimney's inner surface to dry-off. Blocking the chimney (maybe with soaking materials) would a.) accumulate moisture (sponge effect) and b.) stop the ventilation, i.e. the drying by air movement transporting the moisture outwards.

    A leaking back boiler might be another issue to look at for the OP.


  • #8
    C81
    Registered Users, Registered Users 2 Posts: 41 ✭C81


    I have no back boiler... I'll take the bags out, get it cleaned and light a fire. See how I get on from there... Anything else ???
    Thanks everyone for your help! Greatly appreciated!


  • #9
    yoshytoshy
    Closed Accounts Posts: 3,305 ✭✭✭yoshytoshy


    C81 wrote: »
    I have clothing put into black bags stuffed up the chimney to prevent drafts and wind coming down. I haven't the top of the chimney sealed.. Would the clothing in a bag up the chimney cause this???

    Not sure how airtight the bags of clothes would be ,but it's common practice to leave a vent in a chimney thats been blocked up. I've been doing it for years.
    The only alternative to not putting a vent in is to block off the top aswell.


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