i HAVE used natural, unwashed sheep's wool as roof insulation with
excelent results so far (2 years). I did treat the wool with Borax
salts for added protection. Since the wool was unwashed, it was
enough to spread the dry salt on top of the wool--it sticks to the
lanoline. If you use washed wool, you will have to disolve the salt
in water and spray it on.
rikki
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