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Unread 05-28-2006, 11:16 AM   #1
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isulpink or fiberglass insulation?

hi...on the outside exterior shower/bath wall---can i use a foam board type insulation or the typical glassfiber roll?;;;r15 ok?.....the board seems nice and easy and less messy................thanx................ mike
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Unread 05-28-2006, 12:19 PM   #2
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Mike, I wonder if the foam board would also act as a vapor barrier and you would end up with a double barrier situation if you also place one behind your substrate? Perhaps more details of the shower construction would help the pros here. John.
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Unread 05-28-2006, 01:09 PM   #3
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If you are down in the basement up against a concrete foundation, foam board might have some advantages. Otherwise, I'd go with twice the R-value that batts or a roll product can provide.

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