Hi, Chris,
I was told the total finished overhang was typically 3/4". That seemed a tad short to me so I made mine 1". I think whatever is aesthetically pleasing to you is the right answer.
I could think of no way to prevent the concrete from going into the pool. Any barrier I could think of would interfere with the forms or was w-a-a-ay too much trouble. Nice thing is it doesn't stick to anything. It'll fall harmlessly to the bottom where it's pretty easy to get out. Might even help your Calcium Hardness a little while it's in there!!![]()
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