The coating!!!! I did this, I will try to get some photos, I am moved out and the house is under contract so I will have to try to find some pics. I had it done about 2 years ago and love it, I have spilled so many chemicals, paints, stains, boiled beer over onto it and it all wipes right up! If you run into something a little trickier it can usually be mopped out. Sweeping is a breeze also, don't worry about cracks and little places for things to catch. It also makes the place not feel like a garage as much. Very happy with it.