I just bought myself an enclosed trailer that I’m going to kind of turn into a toy hauler. From the research I’ve done some have used vinyl sheet garage type flooring with the coin or diamond texture. Some have used vinyl sheet kitchen type flooring. But most use either a spray or roll-on bedliner or a two-part epoxy garage floor coating.
Both of the vinyl options require some skill to install and would be best glued down.
The Bedliner definitely holds up, but can be difficult to sweep out and typically needs a pressure washer to get it completely cleaned. The garage floor coating sounds like it holds up great and fairly easy to clean. You can add grit to it as well if you’d like.
I’m seriously looking at the garage floor coating because it sounds like it would be the most cost effective and easiest solution. You just need to find one that’s rated for wood as well. I found one on Amazon called Supercoat that says it is for concrete and wood.