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I've cut out some tempered pegboard into 11" circles and I need them to be completely sealed so water won't destroy them for at least 6-8 months. They will be the base in an eBucket veggie planter (Veggie Gardening Forum) that will be filled with potting soil that stays consistently damp.
I bought a gallon of Drylock that I was told will waterproof them adequately, if I dip each circle and hang to dry. Please advise proper technique for dipping and drying them that will ensure the peg holes remain open after several coats (2-3) are applied, and that all surfaces are covered.
I considered filling a large enough container with the Drylock and just mashing the "cookie" down until the Drylock was forced up through the peg holes. Then, how should I stand it, or hang it up, or lay it down to drip dry so there's no pinhole created? The slightest pinhole anywhere in the finish would allow water to get in and cause the "cookie" to crumble -- literally!
I thought about hanging them on a paperclip to drip dry, but anything through a peghole wouldn't allow a watertight seal at that point. I could tie a thin thread through one peghole before I dip it, then hang it up to drip dry, and Once it did, just snip the thread off. I also considered laying them down flat on a couple nails coming up through a piece of wood. There'd be that pinhole, where the nailtips touch the "cookie," but then I could go over that area with the roller.
I'm thinking "dipping" is not the way to go. Can you stand it up horizontally on two stands of some sort (or even just a couple of bricks), paint one side with the Drylock, let it dry, turn it over on the other side and paint that side? You could do that several times until you have the correct number of coats on each side. That way you won't have the drylock dripping down the face of it, and you won't need to worry about mashing things or finding a big enough container.
Maybe you could just touch-up the spots where you have to support it while it dries? I pictured a pizza pan sized tray to dip the disk in, but you probably figured that part out already.
Drylock is like any other liquid, it will drip down into the holes just fine I'm sure, especially if you're putting several coats on. As you pointed out, the problem with dipping is that SOMETHING has to hold the disk up until it dries, so something will be messing up the finish. I don't think that would ruin it completely, though, because if one coat doesn't get everywhere the next coat or two will.
