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more galvanic protection

Posted by tomh on April 18th, 2003 01:21 PM
In reply to Lolley column by Tom on April 17th, 2003 03:32 PM [Go to top of thread]

Your idea to reinforce the columns using a sono tube sounds like a winner. You should pin tie into the existing footer and use re-bar in the new concrete. Use a zinc anode and bond it to the column with a copper wire to avoid any further corrosion.

There is a really good easy to understand article on galvanic protection at

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