Vapor barrier in bathroom ?

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Old 01-21-17, 02:44 PM
kennyv519's Avatar
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Vapor barrier in bathroom ?

Re-doing a basement bathroom and want to tile to shower stall. I have the Hardi Backerboard and have insulated the walls with R-19.

Do I need a vapor barrier over the insulation prior to installing the Hardi?
 
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Old 01-21-17, 03:45 PM
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I would not use a vapor barrier behind the hardi. I would apply redguard to the hardi.
 
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