Resurfacing Pool Deck Area

I have been browsing this group daily for at least 10 years and you guys have helped me out many times in the past. Thanks!
My latest problem: The back deck surrounding my pool needs to be resurfaced. It is composed of concrete slabs 4.5" in thickness. The total surface area is about 4000 sq. ft. One of the slabs is cracked so badly that there is about a 3 degree "bend" at the crack site with the crack being 3/8" wide. The rest of the slabs are badly discolored with many fine cracks. ( When I had the home built I had requested rebar but the contractor talked me out of it.)
I plan to have the entire deck power washed and the cracked areas ground down and leveled out as much as possible. Then the cracks will be filled with some sort of epoxy (probably will not accomplish much as far as strength is concerned). The deck is 18 years old and should be fairly stable but I am in Southern California (Palm Springs area) and we do get frequent quakes, some quite significant.
The temperature can get to 125 F during July and August (in the shade!). I wish to have the entire deck resurfaced with some sort of compound to a maximum thickness of 1/4", non-textured, in a light beige color. Removal and replacement of the slabs is not an option.
My question: What is the best material to use for this project. There are several contractors in this area that I can have do this job but would like to get this group's input and suggestions. The high summer temperatures have me concerned as far as material longevity is concerned.
Norm
Norman S. Nadel, M.D. Retied, Chief Urology Kaiser
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You might heat the pool with a dark layer of lightweight concrete over PEX tubing.
Nick
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snipped-for-privacy@ece.villanova.edu wrote:

More great practical advice. The guy has 1/4 inch to work with and Nick tells him to turn his pool surround into a solar heater. How much vertical space do you think it takes to lay PEX and cover it with concrete over an existing pool surround? Do you even own a pool? Next we'll get a bunch of differential equations.
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