24 Jun '13, 11pm

Using EPS AND XPS in Conditioned Crawlspace #green

Using EPS AND XPS in Conditioned Crawlspace #green

I live in Juneau Alaska, Climate Zone 7. Living here, I often have to use whatever is available rather than the optimum. We just don't have access and supply to everything. This being said, I am looking to insulate my crawlspace and convert it into a conditioned crawlspace by insulating the interior stem walls to the footings. In accordance with 2012 standards, I want to be sure that I have AT LEAST R-15 on the stem walls and joist bays. Herein lies the problem. The local hardware stores only have 43 units of EPS and 63 units of XPS in 2"x2'x8' lengths. My access necessitates this size to maximize factory edge precision. The problem is that I need 90 sheets (including waste calculations). Therefore, I will need to utilize one layer of each material to achieve my desired results or wait until the next barge comes in (could be a year from now). My quandary lies in the resear...

Full article: http://www.greenbuildingadvisor.com/community/forum/energ...

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