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Re: GBlist: Dangers of CCA Pressure Treated Wood
At 09:57 AM 6/9/97 -0000, you (Chris & Ruth Koehn) wrote:
>We've been considering using some of the native and naturally rot
>resistant wood species in place of cca treated wood. My forestry
>connections suggest that walnut, certain species of locust, red cedar,
>and katalpa are all very rot resistent-
White oak and tulip poplar are some other species that also exhibit rot
resistance. Another technique for direct-ground contact is to char the
surface of the wood which will be in contact with the ground. I understand
that the resulting charcoal surface layer helps prevent invasion by termites
and decay microorganisms.
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