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Old 06-17-2013, 03:08 AM   #1
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plastic anchors for fence in concrete


I got these plastic anchors for my fence that I'm building on my concrete patio... I'm going to use them regardless.. my question is has anyone else used these and how are they? I'm thinking of using steel bases on the corner posts for extra strength.. or will these be fine all the way around? not a big deal if they don't last forever as I can just pull 5 screws out of each side to pull the post up to replace them.. using 1/4" wedge anchors to bolt them down.

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Old 06-17-2013, 05:30 AM   #2
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plastic anchors for fence in concrete


What kind of fence? Small open picket or 6 foot privacy screen with lots of wind resistance? How long of a straight run?

Corners actually are strong because of the nature of being self supporting--it's the straight runs that need the strongest bases.
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Old 06-17-2013, 05:48 AM   #3
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plastic anchors for fence in concrete


4' high max with 2x2 spindles, so no wind problems... Longest run will be 18-20' with 4 posts (2 corners, 2 in between to make 3 sections of fence)
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Old 06-17-2013, 05:49 AM   #4
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plastic anchors for fence in concrete


** spindles, baluster, whatever you call em'
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Old 06-17-2013, 06:46 AM   #5
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plastic anchors for fence in concrete


Got you--this is not a fence---a guard rail ---I'll leave this one for an architect or deck builder---I do not know the shear ratings of those units or the deflection of your railing system over that length of span---

Sagging railing can spoil the job--also having a heavy person leaning or falling against the rail system must be considered----so I'll leave this one for more knowledgeable members.
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Old 06-17-2013, 06:59 AM   #6
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plastic anchors for fence in concrete


I should say its ground level, not raised
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Old 06-17-2013, 07:10 AM   #7
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plastic anchors for fence in concrete


That info helps---the guard rail is more decorative than a safety concern---

Let's see what a deck builder has to say---Mike----
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Old 06-17-2013, 07:53 AM   #8
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plastic anchors for fence in concrete


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4' high max with 2x2 spindles, so no wind problems... Longest run will be 18-20' with 4 posts (2 corners, 2 in between to make 3 sections of fence)

I don't think these these post anchors will hold with a 4' high fence even though spindles are used. Just my opinion.
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Old 06-17-2013, 08:36 PM   #9
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plastic anchors for fence in concrete


Yep... Did a test run on my garage floor... Drilled 4 holes and just zipped them down quick with tapcons. Now I'm a big boy (300 lbs) and when I leaned on it there was some flex, but when I really pulled the post towards me the anchor didn't break, it stretched and RIPPED! So I'm going with these anchors... They are ugly as he'll but about my only other option to anchor to concrete that's already cured (unless I use the anchors with only 1 bolt which I don't trust)the bright side, if the welds ever crack I can just re weld it. I'm going to use 3/8x 2 2/4" wedges for this one.

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Old 06-17-2013, 08:47 PM   #10
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plastic anchors for fence in concrete


That looks more substantial----
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Old 06-18-2013, 05:34 AM   #11
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plastic anchors for fence in concrete


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Yep... Did a test run on my garage floor... Drilled 4 holes and just zipped them down quick with tapcons. Now I'm a big boy (300 lbs) and when I leaned on it there was some flex, but when I really pulled the post towards me the anchor didn't break, it stretched and RIPPED!
good idea doing a test run before installing the entire fence.
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