Exterior Wall Insulation - What Vapor Barrier
Any opinions on what is recommended in a NJ climate?. Local code official said as long as it has a vapor barrier it is OK, they would not comment on what type of barrier. As long as they see one, it passes.
Is kraft faced recommended, or unfaced with a sheet of poly plastic? I was going to go with the later until I googled the same question. I read sites that said the later can create mold because it allows no vapor that may be present to pass through and escape. I thought it would be a better system because of the continuous sheet. I also read when you paint or tile the wals it can act as a vapor barrier making the sheetrock sandwiched between two vapor barriers. Some reommended to use kraft faced but slash the surface to make it semi permeable.