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What are currently considered the best methods of making a CCA lumber surface safe from arsenic exposure?

April 26, 2017arsenic best CCA Currently lumber methods safe

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What are currently considered the best methods of making a CCA lumber surface safe from arsenic exposure?

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Current research indicates that treating CCA lumber with solid or semi-transparent oil-based deck stain will generally lock in most of the arsenic for approximately one and a half years (18 months). Use 2 coats the first time you stain the structure.