Lets see if I can make sense of this in a positive constructive manner.
It would be best to respect Mother Nature by giving this floor the chance to expand and contract over the ensuing years to come… (How many paint shops apply a color coating before they primer metal first?).
“Cut in the...
I’m guessing that you go through seasonal changes where you live. Be it the case -your concrete will eventually begin splintering in short due time, especially without releasing the pressure put on the concrete after winter, spring and summer come around again.
Just a thought.