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When warm and humid air is cooled it condensates. Moisture is the catalyst for mold, rot and rust – undesirable in any home, but very commonly found throughout New Zealand. 


The key is to keep internal building elements warm, above the dew point, so condensation does not form on them – simple! Insulation inside the structure means that condensation will form internally - and the problem is accentuated with external air barriers.

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