dc632
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Post by dc632 on Aug 4, 2022 17:26:39 GMT -8
New here thanks for the add. I have a 65 Class B that I'm gutting to repair various issues structurally. During demo I found there's plastic faced fiberglass maybe mineral insulation and a layer of plastic sheeting next to the exterior aluminum skin walls, basically 2 vapor barriers. My question is, Do I need the 2 layers, or can I just go back with either ridged foam or spray or even modern faced fiberglass? Thanks for any info
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hotrodjim
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Post by hotrodjim on Aug 5, 2022 4:31:30 GMT -8
Welcome to VTTbr]
I’m sure someone will join in and answer your question.
I’m also new to the VTT and you’ll learn a lot here.
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Post by vikx on Aug 5, 2022 10:57:52 GMT -8
I usually rebuild as it was. There's a reason for the double vapor barrier. Pay special attention to the "overhang" area if there is one-they really tend to deteriorate. Share some photos with us.
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