[Greenbuilding] Greenbuilding Digest, Vol 13, Issue 22

[Andrew James-Buehler]

Hullo all.
Has anyone out there used or had experience with using rice hulls as wall insulation? I have just recently discovered them in my research, ( http://naturalhomes.org/img/ricehullhouse.pdf  ) and if they are as good as they sound, I am wondering why I have not heard of them before. Any ideas or observations?
Andrew
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