Damp, damp, damp darn it!

Discussion in 'Tech/Mech General' started by Mark Harvey, May 30, 2016.

  1. Mark Harvey

    Mark Harvey Funster

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    For those who saw our panic thread last week, we followed up our damp fears with a full habitation check. (Something I now know I should have paid to get done before we bought)
    IT does not make pretty reading.
    Plan is to get it watertight asap, then monitor it over the summer and re-do the readings in 2 months time.
    Turns out because the van had been in dry storage for over a year, and never seen any water, the evidence of damp was hidden, even to a damp meter. Plus we are inexperienced and a bit green tbh!
    If anyone knows of a firm that could help undertake this work anywhere near London/Oxford/Milton Keynes, please let me know.
    I have thought of approaching some of the local roofers to have a go at the job. The physics and materials are very similar, fingers crossed as most caravan servicing firms seem "booked up until July"
    Watch this space.
    Thanks all!

    Mark & Abby
     

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  2. Figaro

    Figaro Funster

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    Sorry to hear the bad news, I feel for you
    But most certainly do not let a roofer loose on it. It is completely different sort of work with no similarities whatsoever.
    Others will be along soon to give more practical advise on how to resolve.
    Good luck
     
  3. scotjimland

    scotjimland Funster Life Member

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    Last edited: May 30, 2016
  4. chaser

    chaser Funster

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    To be honest it doesn't look to bad for a twenty odd year old motor fairly high and slightly high, nothing to worry unduly about, wants putting right admittedly but not drastic.
     
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  5. chaser

    chaser Funster

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    We saw one in France about that age and the owner had stuck black roofing felt all over the roof , was going to photograph it but he was always there so didn't like:)
     
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  6. Mark Harvey

    Mark Harvey Funster

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    Thanks Chaser.
    The guy doing the Hab check said he had seen much worse. We have a 6m old Daughter so we are just being paranoid about damp.
    Plus - we want to stop it before it gets worse obviously.
    Have sent messages to the guys mentioned on this thread.
    Nor sure why people are so adverse to Roofers, having spoken to one, there are a lot of similarities in the work.
    If you think of anything else let me know
    Cheers

    Mark
     
  7. BobtheBass

    BobtheBass Funster

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    Your old daughter is very tall!
     
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  8. scotjimland

    scotjimland Funster Life Member

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    not averse.. but roofers don't generally know much about resealing vans.. it's like asking a house bashing spark to repair a TV .. not saying they can't but when you need a specific type of work done best to use the person who is trained in that field.. would you go to the dentist for a hair cut.. :LOL:
     
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  9. DavidG58

    DavidG58 Funster

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    I also think the readings are not as serous as you might fear, I seem to recall that even brand new wood will read over 10% moisture, I even think it is or can be 15%, I think in caravan / motorhome warranty issues they would not even investigate until 20% +

    But the readings at lower level at the back are the ones to be most concerned about , but even then not unduly

    We had damp in a caravan with readings around 80%, it all got sorted

    It is not obvious from the report where the damp will be getting in, but might just be a vase of renewing mastic as suggested

    Best of luck with it, nothing worse than feeling like you have been conned, I suspect the seller will have been aware of the issues
     
  10. The Wino

    The Wino Funster

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    How about the firm that did the report or could they recommend?
     
  11. GJH

    GJH Funster Life Member

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    I'm with others about the seriousness. We've had higher spot reading in our van. I note the cause is ingress as a result of old sealant mastic and that is a problem we have had. It was sorted by scraping out the old sealant and resealing with something like Carafax or Puraflex 40 which stops further ingress and allows the affected area to dry out. It takes time but isn't a particularly difficult job to do so long as you are happy on stepladders for the higher areas.
     
  12. DuxDeluxe

    DuxDeluxe Funster Life Member

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    I used motorhome coachcraft (Peter Ayles) for a major damp repair on my old lunar. Excellent job and the bill was £200 less than the quote. I would recommend. He is just outside Luton
     
  13. TheBig1

    TheBig1 Funster Life Member

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    its not a difficult job to do DIY, but can be pretty messy. you need to remove each of the joining strips, one at a time, thoroughly clean away old mastic, re-bed on new mastic and use new stainless steel screws. the same with each window and skylight etc

    the problem is the old mastic dries out, cracks and lets in water over time. its exacerbated by being kept inside because being exposed to the sun helps keep the mastic flexible and soft. this also allows the cheap screws used in manufacture to corrode and snap. sadly its a very common fault that needs fixing quickly. then hopefully the low damp levels will dry out
     
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