I have a gate mounted to a 6x8 post where the center has rotted out of the post. I am looking to fill the center of the post, rather then replace it if I could. The post itself is still solid, just hollow so the mount bolt have nothing to connect to anymore. I am thinking to try the expanding post foam inside the post, but have not worked with it and I have no reference if it would be stong enough to hold a bolt.

  • spauldo
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    1 year ago

    If you’re in the US, replace it with a western red cedar post. It costs more but lasts much longer than standard SPF 4x4s. Let your kids replace the next one.

    Or a 3" thick gauge steel pipe, if you’re not concerned with looks. Your great grandkids can replace that.