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Rising damp help

  • 26-03-2017 8:58am
    #1
    amyg1982
    Registered Users, Registered Users 2 Posts: 30 ✭


    Hi All

    Issue: rising damp

    House is 1980s semi D single story less than 1000sqft

    Waterford area, couple hundred meters from sea. Very damp almost bog land

    Had to put drains into back garden.

    Recently renovated internally

    Whole house has sporadic mold on corners etc. We can deal with that

    Problem is childrens room. Has two external walls(these were not touched in the reno). Both have some damp one is really bad. The damp travels maybe six inches higher that skirting. But its soaking in winter. About 12-18inches inwards the floor is soaking also. The really bad part is for a stretch of wall approx 10ft to the gable end of house. The room next door has no problem(slight condensation mould nothing like the problem room).

    Had engineer out to assess he reckons its coming from floor, he says its not travelling high enough up wall to be coming up from cavity.

    He has advised digging up concrete floor to lay new damp proof course!!!

    I contacted damp proof company they suggested the electric osmosis but are charging over 300 just to quote.

    Anybody any advice around this please???

    I am apprehensive to dig floor if we dig and then still cant fix the problem.
    Tagged:


Comments

  • #2
    DOCARCH
    Moderators, Home & Garden Moderators, Science, Health & Environment Moderators Posts: 18,443 Mod ✭✭✭✭DOCARCH


    Pictures of the inside and outside of the problem area would be useful.


  • #3
    amyg1982
    Registered Users, Registered Users 2 Posts: 30 ✭amyg1982


    outside obviously lol


  • #4
    amyg1982
    Registered Users, Registered Users 2 Posts: 30 ✭amyg1982


    inside
    Kids have loft beds


  • #5
    mcneil
    Banned (with Prison Access) Posts: 332 ✭✭mcneil


    amyg1982 wrote: »
    Hi All

    Issue: rising damp

    House is 1980s semi D single story less than 1000sqft

    Waterford area, couple hundred meters from sea. Very damp almost bog land

    Had to put drains into back garden.

    Recently renovated internally

    Whole house has sporadic mold on corners etc. We can deal with that

    Problem is childrens room. Has two external walls(these were not touched in the reno). Both have some damp one is really bad. The damp travels maybe six inches higher that skirting. But its soaking in winter. About 12-18inches inwards the floor is soaking also. The really bad part is for a stretch of wall approx 10ft to the gable end of house. The room next door has no problem(slight condensation mould nothing like the problem room).

    Had engineer out to assess he reckons its coming from floor, he says its not travelling high enough up wall to be coming up from cavity.

    He has advised digging up concrete floor to lay new damp proof course!!!

    I contacted damp proof company they suggested the electric osmosis but are charging over 300 just to quote.

    Anybody any advice around this please???

    I am apprehensive to dig floor if we dig and then still cant fix the problem.



    there is no such thing as rising damp!

    https://www.google.ie/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjV3dOojfXSAhWqD8AKHchOC0kQFggZMAA&url=http%3A%2F%2Fwww.heritage-house.org%2Fthe-fraud-of-rising-damp.html&usg=AFQjCNE8LcllUbFDDjUcR9JgXrMSc_wxEw&bvm=bv.150729734,d.ZGg


  • #6
    amyg1982
    Registered Users, Registered Users 2 Posts: 30 ✭amyg1982


    Hi McNeil
    Thanks for your reply. I looked at your link you send thanks for that. While I was skeptical as first, but it actually got me thinking.

    So I employed a bit of junior cert science and have come to the conclusion it is more likely condensation.

    When we moved into the house last year there was no sign of any mould or damp in that room. There was carpet on the floor and wallpaper on the wall.

    The damp has stopped at present, it only appeared in the winter and was there for the duration of winter.

    Condensation was my original thought but was told unlikely cause the wall had bore holes therefore must be insulated. I think the insulation in the cavity did not reach that low down.

    ????? Lack of insulation on the floor also. One - two feet in from the gable end. As that gathers condensation like moisture also.

    We have laminate floor in that room. Someone also pointed out that if it was damp from below the floors would have warrped by now.

    So I am back to not digging floors but insulating internally the walls in that room with internal plaster slab and installing a vent.

    Thoughts ?????


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  • #7
    DOCARCH
    Moderators, Home & Garden Moderators, Science, Health & Environment Moderators Posts: 18,443 Mod ✭✭✭✭DOCARCH


    Sorry....I meant to reply after asking you to post photos!

    Form what I can see in the photos, looks like a condensation problem to me (too)!

    Useful discussion ongoing here: http://www.boards.ie/vbulletin/showthread.php?t=2057722369

    I know that thread is in relation to mould, but, same principals apply. You are just lucky you don't have mould (yet).


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