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Lumber treated with CCA has been available for many years. Does metal corrode in contact with CCA treated lumber?

April 26, 2017CCA contact corrode lumber metal treated

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Lumber treated with CCA has been available for many years. Does metal corrode in contact with CCA treated lumber?

1 Answer

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The chemicals used in CCA treated lumber have been shown to be somewhat corrosive to fasteners and connectors. Accordingly, chemical manufacturers and the treated lumber industry have traditionally recommended and the model building codes have required the use of corrosion resistant fasteners and connectors when used with CCA treated lumber.