Fred W. Hargis Jr

Hanging vapor barrier, any tips?

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Michael, The drywaller is indifferent about whether I put up the plastic or not. this is my call, and while I've tried to find a definitive answer, it seems one does not exist. Your points are good and having no moisture source (per se) in the shop is why I was searching for the pros/cons. Right now the place is to stay with the VB paint, by the time I get to the purchase point that may change. What I have learned that no matter what I choose to do, there will those who agree and those who disagree....split about 50/50; hence the dilemma. But the plastic is out, it will be the VB paint or nothing.

HARO50 and Dadio like this

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I don't understand this part of construction all that well, but one of the more interesting columns published in the air conditioning journal is "Building Sciences", which attempts to fill our AC heads with an understanding of moisture control.  Every time the guy mentions moisture barriers, it comes down to "no plastic or other impervious barrier".  Turns out, some moisture migration through the structure is desired, so you use materials that allow slow movement, such as OSB.  It rejects water, but will allow moisture.  Here is their website, with a lot of articles available on the topic:  https://buildingscience.com/document-search?term=&field_doc_topic_tid=All&type[]=5

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