How do you prevent walls from rotting in humid climates?

Rose Alderson
Updated: Aug. 2, 2020

Hi there, we live on the gulf islands, building a new home as owner builders and figuring it out as we go. I worry that being in such a damp environment for so much of the year, we could have an issue with mould, as other neighbors (a professional builder) who used plastic Vapour barrier have had mould show up in less than 2 years on his north wall.  How can we avoid getting mould?

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