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Ryland · 09-23-12, 07:50 PM

I can buy foam board up to 3" thick for $0.50 per board foot at R5 per inch of thickness, 2" thick 4'x8' is $30.50

For Cellulose a $10 bag covers 60 square feet at R19 and is R3 to 3.8 per inch, so it's cheap if you have the space and if I remember right the blower to blow it in my attic was $75 for the day, under $1,000 to make my attic R60.

09-23-12, 07:50 PM	#25
Ryland Master EcoRenovator Join Date: Mar 2009 Location: Western Wisconsin. Posts: 913 Thanks: 127 Thanked 82 Times in 71 Posts	I can buy foam board up to 3" thick for $0.50 per board foot at R5 per inch of thickness, 2" thick 4'x8' is $30.50 For Cellulose a $10 bag covers 60 square feet at R19 and is R3 to 3.8 per inch, so it's cheap if you have the space and if I remember right the blower to blow it in my attic was $75 for the day, under $1,000 to make my attic R60.