Originally Posted by
Bryan Berguson
If I go with conventional framing (which I'm leaning towards), I was planning on dense pack cellulose.
Closed cell spray foam will allow you to use 2x4 construction and still greatly exceed code when it comes to R-value as well as have a stiffer frame. Your initial investment will be slightly more, but the payback in energy efficiency will be notable. We built our 2200 sq ft addition this way two years ago and it's outstanding. Let's put it this way...we doubled our house, added a second HVAC system, and our energy bill only went up about 25%.
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The most expensive tool is the one you buy "cheaply" and often...