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The New Preservatives

Coastal Contractor

September/October 2008
by Theresa Coleman
Confused by the alphabet soup of wood-treatment chemicals flooding the industry? Read on.

First 100 Words:
The New Preservatives Confused by the alphabet soup of wood-treatment chemicals flooding the industry? Read on. by Theresa Coleman In 2004, after dominating the market for more than 70 years, wood treated with CCA (chromated copper arsenate) was withdrawn from residential use due to concerns about health risks from arsenic exposure. This created a vacuum that a wide variety of new wood preservatives have since attempted to fill. Some of these treatments have properties that are similar to CCA, but others are more corrosive and require different, pricier hardware and fasteners. Some aren't very corrosive, but aren't rated for ground

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