I've asked this question before but have yet to find anything.... my swim deck bolts are a little loose and I don't have access to the backside to install mounting plates or tighten nuts. Has anyone ever seen any kind of anchor fasteners that are water proof (or at least CLOSE to waterproof?) I'm picturing some kind of drywall style anchor with a gasket of some sort that will seal up once it's installed and still provide enough tension to hold the swim deck. Any other ideas?
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