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Dealing with and preventing blue mould on finishing timber

Discussion in 'Decorating and Painting' started by d000hg, 27 Dec 2019.

  1. d000hg

    d000hg

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    I've noticed the start of mould staining on some exposed timber, possibly due to condensation.

    I plan to treat the wood with Sika preservative which I hope will stop it reoccurring but since this is visible timber is like to reduce the staining if possible.

    We will probably be treating the wood with a stain later which should mask this to an extent?

    Any product recommendations or tips how to combat this sort of issue welcome.
     
  2. EddieM

    EddieM

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    Symptom of poorly seasoned timber, only real way of remedy is find a better timber supplier, you can mask the blue stains but you can't really eliminate them.
     
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  4. d000hg

    d000hg

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    Well they weren't stained until they got damp, but anyway we have it installed now so a new supplier isn't an option.

    What are the best method of masking it?
    If we'd applied preservative immediately would it have stopped it - is doing so now likely to stop it getting worse?
     
  5. opps

    opps

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    What are we talking about timber wise? Skirting boards?

    AFAIK the mould is the result of excessive moisture. Did you store the timber outside prior to fitting it? If yes, and assuming that the timber is no longer in a damp environment, I would expect it will be ok.

    With regards to removing the existing blue mould, sorry, can't help. I have never experienced it.
     
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  7. d000hg

    d000hg

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    Roof boards. I think we've had condensation inside since the insulation isn't yet on, similar to how you do in new double glazing.

    No concerns about the the wood itself, just the cosmetics.
     
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