Reply To: Conference Call on Internal Moisture and Ventilation – 2 Dec

[Vicki Cowan]

Hi Jo

Good post

I think that that highlights the issue for many houses that often there is a “tipping point” beyond which condensation is a real problem and that if you can eliminate moisture sources you can “tip back” the house to where it is minor or not a problem.

So, as was outlined in the training – and in the manual, there is a hierarchy of dealing with moisture problems – and getting rid of moisture sources should always be the first.  People really underestimate how much moisture comes off even an apparently dry underfloor.  I’ve rarely seen a house that I wouldn’t recommend a ground vapour barrier as being a priority intervention – pole houses being pretty much the exception.  When you add up the sources of moisture in an average house, the ground can often be contributing 30-50% – a big whack.

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