Re: In Ground Gunite Pool Deck Issues
You're welcome, glad to be of help.
Why are you worried about the bottom half of the cut being rough? It really doesn't matter. Once you're done it will never be seen. If you have some areas sticking out enough, just use a hammer and chisel to knock it off. Or just a hammer.
You'll get cleaner finish results from an expansion joint rather than coming back and trying to saw cut, especially on the corners/curves.
Did you have a gravel base before? A lot of concrete guys don't use gravel for decks. I know most of the cores I pull out when drilling for hand rails don't have a gravel base. It's a good idea, just not necessary.
Another though, again not necessary but also not a bad idea if you can. Every 1-2 ft drill horizontally into the coping to run a 2' piece of rebar into so that the pieces are tied together. I'd feel better about that since you're just leaving 10" of the old pour. Only go into the coping about 4", leave the rest out for the new pour. If you don't have the tools for it, Home Depot rents out the drill & bit pretty cheap.
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