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Old August 29, 2018   #10
Cole_Robbie
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Join Date: Jun 2012
Location: Illinois, zone 6
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Chain link top rail is fairly cheap, about $1 per foot. I use 1.5" EMTs angles, one for the top and one cut in half to make two 45s for the sides, which slip into chain link posts. I'd guess your metal parts would run a couple hundred bucks, with lumber and poly covering you could build a sturdy structure that will last for years for under $500.
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