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I assumed the manufacturers of the fencing would sell an optional sleeve to protect the power-coating on the posts from the repeated scraping of the trimmer cord, but they do not? Does anyone have any ideas? Is this even needed? enter image description here

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Stop hitting it with the weed whacker? ;) –  The Evil Greebo Aug 21 '12 at 19:48
    
This trimmer has a guard to protect flowers and gnomes, but nothing to protect fence posts. –  Tester101 Aug 21 '12 at 19:51
    
Already have a trimmer with no guard. –  Evil Elf Aug 21 '12 at 19:54
    
Don't you have to hit it with the trimmer cord to trim the grass up on it? –  Evil Elf Aug 21 '12 at 19:54
    
You could buy a replacement Universal Trimmer Guard –  Tester101 Aug 21 '12 at 19:55
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2 Answers 2

Get a piece of approprietly sized PVC pipe or corragated plastic drain pipe.For a 4 inch post use pipe with at least a 4 inch inside diameter Cut it into 6-9 inchs long pieces. Slice the pieces so you have 1/2 of a piece of pipe. Bury the pipe about 3-6 inches into the ground so it covers the base of the post. Fill the space between the pipe and the post with crushed stone.

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sorry, I should have mentioned that the fence posts are square. I wondered about this. Do they make square extruded PVC pipe? –  Evil Elf Aug 22 '12 at 12:59
    
It doesn't matter. You will have a small space from the curve in the pipe that you can fill in with crushed stone so that water won't collect in it. –  mikes Aug 22 '12 at 23:50
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I found these. I don't know how I found them or why I couldn't find them before.

http://www.rittenhouse.ca/asp/Product.asp?PG=9000536

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