Ten bags will insulate a 1800 sq ft home and additional 6" at retail prices that's 472.00
I did a 2,000 foot gardenia as a DIY project five years ago it was under 300.00 then. It was an unpleasant task but it was over in a few hours.
I did not notice a difference in my electric bill. I notice difference of more than 5.00. I have since sold that home and bought a larger model, I haven't bothered to add insulation to it. That should tell you something.
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