Insulating walls in an old house
My 1927 house has balloon framing, real plaster walls on rock lath, and no vapor barrier. It has cedar shingles over tar paper.
If I blow insulation into the walls, will I create a problem with vapor from the house condensing inside the walls? Even without insulation (current condition), can I close the top of the walls in the attic or will that also allow water vapor to condense in the walls?
Posted Aug 29, 2014 11:40 AM ET
Edited Aug 29, 2014 12:50 PM ET
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