Securing fence post pipe inside a larger one

Jun 16, 2019 3 Replies

Hi. The end post of a fence I’m installing was too large in diameter so the fence supplier advised me to cut it down and install a smaller diameter pipe inside. Problem is, there’s concrete in the larger pipe and the smaller pipe can only sit inside about 6” deep. Can anyone suggest a specific product for what to put into the larger pipe to secure the smaller one? I was thinking epoxy or even squirt a whole tube of Liquid Nails in there, but really not sure what to put.



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Thanks for advice. Theodore


Use a hammer drill to drill a 3/8" hole into the concrete inside the pipe. Drive in a piece of #3 rebar a couple feet high. Pack the big pipe with grout. Slide the smaller pipe over it and fill the pipe with grout at least to the top of the rebar.

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