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Corrosion Information
for Connectors For Wood Construction
and Anchoring and Fastening Systems for Concrete and Masonry

In January 2004, the preservative treated wood industry voluntarily shifted from using CCA-C to alternative chemical treatments. To determine this impact on connectors, Simpson Strong-Tie conducted industry approved tests and found that many of the alternatives were more corrosive than CCA-C. Because this is an important safety issue, we have devoted several pages of our website to the issue of corrosion. We hope you find it informative and helpful in making decisions about this topic.    

General Corrosion Information: Preservative Treated Wood Information:


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