Healthy indoor air quality
Why you should Never Install Air-Con in a Home with a Vapor Barrier
...America, we now use standard code compliant paper-faced drywall which can start to develop mold at about 80% RH.
As we insulate and make homes airtight, they don't dry as easily, and common building practices trap moisture inside wall assemblies. Be careful not to confuse Air barriers with Vapor barriers either, they'r...