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Wet Rot Issue

  • 28-04-2013 12:49pm
    #1
    Registered Users, Registered Users 2 Posts: 8,513 ✭✭✭


    Hi,
    Just discover wet rot on some joists. The main issue is I haven't figure out the source of the moisture. I think it is possibly a result of poor ventilation as the previous owner built an extension and blocked the original vent.

    The joists are wet to the touch so I am not sure it can be from lack of ventilation. It is all at the end of the joists and travelling along a about 2 feet on the joists. I guess it could be due to DPM break down too.

    Can I cut and replace the damaged joists in parts or do I have to replace the whole joist?

    Is there any recommendation for somebody to do this or is it OK for DIY?


Comments

  • Registered Users, Registered Users 2 Posts: 5,401 ✭✭✭DublinDilbert


    Ray Palmer wrote: »
    Hi,
    Just discover wet rot on some joists. The main issue is I haven't figure out the source of the moisture. I think it is possibly a result of poor ventilation as the previous owner built an extension and blocked the original vent.

    The joists are wet to the touch so I am not sure it can be from lack of ventilation. It is all at the end of the joists and travelling along a about 2 feet on the joists. I guess it could be due to DPM break down too.

    Can I cut and replace the damaged joists in parts or do I have to replace the whole joist?

    Is there any recommendation for somebody to do this or is it OK for DIY?

    Doesn't sound like poor ventilation, but i could be wrong. If you have poor ventilation the moister will condense on the coldest surfaces. Wood wouldn't be the coldest surface. More likely to form on the brick work etc. Still even with a blocked vent you'd be unlikely to get contensation forming that would cause the joists to be wet to the touch.

    Are the joists on the ground floor or first floor?


  • Registered Users, Registered Users 2 Posts: 8,513 ✭✭✭Ray Palmer


    Ground floor. There is and old pipe that touches the wood that I think moisture is condensing on that. The joists rest on brick work that appears dry.


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