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Re: pressure treated lumber

  • Subject: Re: [cg] pressure treated lumber
  • From: Lekoma Akate lekoma216@cox.net
  • Date: Wed, 16 Jul 2003 12:50:51 -0500

> I wanted to
> know, is there a way to reduce the possible harm to children with these
> materials being used for raised beds?


If there is no way possible to replace the toxic wood, it might be feasible
to fiberglass the entire structure, including the bottom (with a few
drainage holes).  Fiberglass should be safe to touch and would seal the
toxins better than a waterproofing treatment.  There might be some type of
hard plastic that could be used to create a barrier around the treated wood
and on the bottom.  You will want to have the bottom protected from the
toxins leaching into the soil.

Without removing the toxic wood, the surrounding area will soon contain
toxins that could endanger the children who are supposed to benefit from
this project.  Good untreated wood can last ten years.  You might be able to
get a local lumber yard or home center to donate some cedar or other rot
resistant wood.  

Good luck,
Lekoma Akate
Master Gardener
New Orleans

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