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Old 07-10-2011, 11:50 AM   #1
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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?

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Old 07-13-2011, 10:00 PM   #2
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installing foam board


Welcome to the forum!

Depends on if the foam board or the house wrap is the air barrier: http://www.greenbuildingadvisor.com/...s-housewrap-go

Gary

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