Garage flooring to cover failed epoxy

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Thanks for all of the feedback and suggestions for a new floor covering/tile/paint, etc.

I am sure the epoxy failed due to poor preparation. In the areas where is started to peel I found oil stains underneath. Then the paint continued to peel to clean areas indicating lack of adhesion. I am sure the floor was not cleaned and etched properly or enough.

Anyway, I like the idea of snap together tiles, but I have walked on some of them and they made a squeaking noise and in one case a clicking noise. I have been told you can use an underlayment to help with this. But, I am not sure what to use? Has anyone put down an underlayment?

I may just bit the bullet, have the floor ground down to bare concrete and then have it professionally coated. I may do this because underneath snap together tiles, I would still have the unsightly peeling floor. I think that would bother me even though it would be mostly unseen.

Now I just need to make a decision! Thanks again for all the input.