Energy Solutions

For basement walls and rim joist the best choice is closed cell spray foam applied directly to the foundation walls.
Man pouring concrete into wall molds at construction site
An infrared photo of a bath exhaust fan leaking attic air into the home while the blower door is depressurizing the home.
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By Okram (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
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Infrared Doug Rye
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May_Base.pdf - Adobe Acrobat Pro
View of an efficient and well-lighted house for security and entertaining Source: Hadco
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Inspect Attic
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Screen shot 2013-01-10 at 10.57.11 AM