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I have wood boring insect damage in the bottom portion of an 8" X 8" wood post that is one of four support posts  for the balcony in front of my house.  How can I treat the bottom portion of the post to kill the wood boring insects before I patch the post?  

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Posted 2013-08-12T13:35:12+0000  by ADICPA ADICPA



Thank you for your question and welcome to our community. 


The most effective way to treat your 4 X 4 post would be to replace it since you do not know how far up into the post the insects have traveled.  With the new post you can then use a wood preservative to pretreat the post prior to painting and installation.


If you choose to treat the post, The Home Depot has a termite spray from Spectricide called Terminate that you can use to spray into the wood.  You will need to drill several holes at a 45° angle about 6 inches apart.  The drill bit should be slightly larger than the tube on the spray can.  This will drive the pesticide foam into the wood and fill up any tunnels or cavities the insects have made. Once the area has dried you can then seal the holes and then repaint the post.


Spectracide Terminate-termite killing foam.jpg


Please let us know if you have any further questions.

Posted 2013-08-14T00:07:30+0000  by Rick_HD_OC
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