Started by John Raabe, July 21, 2009, 09:36:15 PM
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Quote from: John Raabe on January 16, 2010, 12:12:54 PMGood chart. Especially for the SE. In my neck of the woods (interior side) the standard technique is to seal the drywall (for an air barrier) and then use a two coat PVA primer and latex paint for the vapor retarder - gives a perm rating under 1.0.