Poly vapour barriers / Green Building & Sustainable Home Renovation Information & Advice

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should never Install air-con in a home with a vapor barrier

...polyethylene vapor barriers in wall assemblies in all but the coldest of climates, or at least change their location within the wall assembly to avoid the possibility of interstitial condensation damaging wall structures.  Moisture-impenetrable vapor barriers work great in winter and, before air conditioning and heavil...