CCA Alternatives
So what will gardeners have to choose from for landscape
projects?
The EPA has approved alkaline copper quaternary (ACQ) for
use in garden structures.This product is higher in copper than CCA,
but is free of arsenic. No doubt, additional, environmentally friendly
products will be developed in the next few years.
Treated lumber alternatives include synthetic wood, made from
recycled plastic, vinyl fencing, and naturally rot-resistant woods such
as cedar and redwood. All of these will likely be considerably more
expensive than CCA-treated lumber was.
Non-lumber alternatives for building garden structures include
stone, concrete block, and brick.
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