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Answer by PennyPincherWannaBeHandyMan for Should I install vapor barrier over...
The 4 inches of foam board acts as the vapor barrier. Just make sure you use spray foam to fill the gaps around the foam board install. Air gap is not necessary.
View ArticleAnswer by P2000 for Should I install vapor barrier over XPS insulation panels?
XPS does not need vapour barrier. I tape mine to the studs using technical tape (red vapour barrier tape). Fill gaps with expanding foam.If you are getting this inspected, check first: climate and...
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Should I install vapor barrier over XPS insulation panels?
Redoing a bathroom where one of the shower walls is an exterior wall. Framing is done with 2x6 and I would like to replace the current insulation pictured with XPS foam board. Due to my location, the...
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