Hydroturf sounds good. And I've used a little bit on my boat seating. But for longevity/durability, I had the inside of my boat sprayed with Linex. I had them mix in sand for the flooring, which makes for excellent gripping power! I had this done when my 1860 roughneck was bought new in 2002. Sixteen years, and it has not deteriorated at all! Not sure how much it would cost today, it was just over $400 in 2002. There are also competitors like Rhino and Dual liner that are probably comparable.