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Vapor Barrier Paint

Posted by Chris on April 22nd, 1998 10:41 AM
In reply to Paint as a Vapor Barrier by Karen Glasen on April 21st, 1998 10:59 PM [Go to top of thread]

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Hi Karen,
Try a stain killing primer under your color coat (Zinssner makes a good one). This stuff is actually a pigmented shellac that seals the wall or ceiling. It's generally used for bathrooms to seal out moisture and prevent mildew. I've read that it also works as a vapor barrier. I've been using it as a primer to seal my old horse-hair plaster walls and it seems to work. But you've also got to seal up all the outlets, around the baseboard moldings, etc to actually form an effective vapor barrier.

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