| One additional post to the one I made above, there are resin epoxies available that have been used quite successfully on concrete. One notable one was for the SC game and fish people. 6 raceways that had quite a bit of damage over the years.. They did fix the damage with the epoxy, and then recoated the whole raceway. Figured it would extend the raceways for at least another 10 years. Worked out to about 15 bucks a SF. Again, these epoxies are not DIY items. They are also a very rigid system, not at all flexable. So if you need flexable, epoxy is never a good idea.
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