Insulating a 1929 craftsman bunglow in San Diego
The exterior walls have no insulation, vapor retarder or barrier. Is an exterior barrier/retarder required when insulating walls? If so, what products are available that doesn't require removal of siding to install?
Posted Mon, 03/24/2014 - 02:59
Edited Mon, 03/24/2014 - 05:33
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