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mmason 07-10-2011 11:50 AM

installing foam board
When installing 3/4" foam board over existing and or repaired wall sheathing (1/2" plywood & fiberboard) should I tape all of the seems before the housewrap? Or would this trap moisture from escaping through the wrap?

Gary in WA 07-13-2011 10:00 PM

Welcome to the forum!

Depends on if the foam board or the house wrap is the air barrier:


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