Thought I'd post an addendum. I previously said that I thought I'd put in just over 3lbs of cellulose per cubic foot. That was just based on a rough uncalibrated estimate of how soft it seemed to me. I did a more accurate assessment now and I thought I'd run through it for you.
linear perimeter wall (2x6) = 89ft
area of perimeter walls = 89 x 8ft high = 712 sq ft
area of windows and doors to be subtracted = 160 sq ft
total area of perimeter walls = 552 sq ft
total volume of 2x6 perimeter wall = 552 x .46 ft thickness = 253 cubic feet
linear interior walls (2x4) = 22ft (for accoustically treated stereo room)
total volume of interior walls = 22 x 8 x .29 = 51 cubic feet
volume of all walls = 253 +51 = 304 cubic ft
adjustment for framing lumber = 304 - (304 x 20%) = 243 cubic ft
total weight of cellulose used = 45 bags at 19 lbs each = 855 lbs
lbs/cubic foot = (ta da) 855lbs/243cubic ft = 3.5 lbs per cubic foot
I think 3.5 lbs per cubic foot is good. That's good enough that it won't settle over time. And people should understand that it was done with an Intec Cyclone which is a very garden variety blower that can be found at most Home Depots. You just have to make sure that the slide gate , the thing that sets the proper ratio of cellulose to air, is set properly. The lower power blowers like the Cyclone have to meter the cellulose to the limited air supply.
So bottom line - YOU CAN DO THIS.
