Gene GeRue wrote:
I am pondering homemade insulation. Sawdust is abundant and cheap. It would seem good if it were very dry and if it were contained within a fire-resistant wall structure. Would also need tight vaporMaybe check and see what they use for mixing with the densepacked cellulose for fire-retardant. I'd mix boric acid powder right in with it, I think, for bug repellent, because caulking won't keep out borers, then you've got bug highways. :-(
barrier to keep it dry and perfect caulking to keep bugs out.
I'm still not sure you'd be better off than the densepacked cellulose....and I'm just about the tightest, most-stubbornly-committed to using what I already have person I know.....
SJ
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