Climate 4A flash and fill (BIB) vs open cell
Hi, We are building a house in MD in climate zone 4A. I am trying to decide between two different insulation methods for our walls. Our house is all brick, with tyvek, OSB and 2x6 with 16in OC. I have to decide very soon on whether to do 1inch closed cell and the BIB (blown in blanket fiberglass) or whole wall fill with open cell. The open cell is about 30% more cost than the flash and fill so I am trying to decide if it is worth the extra money. Of course my main concern is the dew point and moisture issues. Since I live in climate 4A should I be worried about the moisture issues and just go with the open cell, or will I be OK with the flash and fill?
Posted Fri, 01/04/2013 - 15:35
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