[masraum]

Originally Posted by Zeke

Don't you have polished and sealed concrete floors at Costco and other places? It's impermeable done right.

If I ever did concrete countertops I would have to polish them as Tidybouy is doing.

My experience is that stores that have glossy cement floors are often/usually coated with a glossy coating that's often put down by a machine. I believe it's the coating that makes the floor impermeable. But I'm happy to be wrong!