So I do my own mechanical work whenever possible, and owning classic cars and bikes, eventually fluids end of up the floor. See these great looking interlocking tiles, but what do you do when there's leaks? Do you just not put them where you do work? But there can still be leaks from various systems on a car regardless, so it's still a potential problem.
So ive dealt with this a few times, I have garage deck tiles from BigFloors.
I have 3 cars in the garage now listed in my signature below and do regular maintenance on them all year. The 71 Camaro is a full restoration project so I dont have the tiles under it with all the welding and grinding that goes on. The rest of the garage has been exposed to coolant, oil, gas, powersteering fluid and all the other things that go along with servicing a car.
In most cases its not been large enough contact for me not to worry about pulling up tiles to clean under it and I do my best to put a container under something when doing a full fluid change. That said drips and leaks still occur, so for the most part a degreaser and a mop have solved all my issues. There is one spot that I didnt know was leaking and the car sat for sometime and it had a leaky AN fitting on the gas line, so it did yellow the grayish silver tile I have down. Ive had the floor installed for going on 8 years now, and while it gets grimmy thorugh-out the year a good mopping cleans it up nicely. I wont say its 100% as good as it was when I bought it, but its still 10x better than whats underneath it.
Have a look at my garage thread and you can see the floor if you like.
In my next garage, I may go with the swisstrax open grid design, ive been told that since everything settles into the bottom that its much easier to care for and keep clean. I still dont think id do a floor coating or expoxy over the tile option.