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Forums > Green Building Forums > General Forum - Residential > Subject: Retrofit foam in exterior walls

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rbeck777User is Offline
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Posts:2
08/27/2007 2:29 PM  
I have some exterior walls exposed due to another project.  I want to replace the crappy fiberglass batt insulation with foam board insulation.  What should I do about a vapor barrier?  Inside or outside surface or none?  If the foam has foil, which way should it face?  I live in Tennessee.  Not the deep south but still hot/humid in summer.
Thanks
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Forums > Green Building Forums > General Forum - Residential > Retrofit foam in exterior walls


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