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Old 05-11-2009, 06:53 PM
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I used to prefer the wedge style anchors as well...until I had a chance to try to remove those 3M epoxy anchors. I don't know what kind of special magic they came up with for that epoxy but we couldn't pull those suckers out with a hollow hydraulic cylinder and a porta pack. The wedge anchors pulled out once the lead/pot metal threads slipped but those epoxy anchors we ended up cutting them off flush with the floor because we couldn't budge em. I still use wedge anchors around the house etc mainly because I want to be able to remove them later. I hear its very important to brush the holes as well as blow them out for the epoxy to work properly but all we did was blow them out.

Edit: I just found the testing data for the 3M anchor adhesive we used, no wonder we couldn't pull those 3/4 anchors!

3M Anchor adhesive performance data
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