The ranking agreed with the study you cite.
Cellulose = best
Fiberglass = middle
Styrofoam peanuts = worst (recycling maniac = me)
However, when I mixed small-particle styrofoam chunks in with the peanuts to fill the voids, it ranked with cellulose. So yes, air migration was the villian.
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Hi There, im brand new to the forum and am happy i found.
I found this little bit very ienteresting, as I can get laods of styrofoam particles (from a styro board cutter) and was thinking of using it as garage insulation. I was wary, not having any information as to how effective it would be.
You tested a mix of peanuts with particles. did you ever test just the styrofoam particles alone?
Pierre
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