We are planning to buy a modular and the flooring they offer for the kitchen is a type of nafco tile that has grout on the tile. So it has what looks like grout on 2 sides and when they install it all, it looks grouted but it really isn't. So anyway I was concerned about this tile in a kitchen-especially if something is spilled. Is it sealed somehow? In one of the houses we looked at, which is one that was being built for a customer, the tile did not look like it was sealed and it looked like if something was spilled, it would go right in between the tiles. I looked at the Tarkett website and the installation guide on it but it doesn't mention anything about sealing from above. Link below to the modular company's tile page.

Here is a link that might be useful: tile options