, Yes, I built one for myself and was showing it off. Well, a buyer wanted it real bad and money talked. Also, I wasn't going anywhere soon with my workload. I'll build myself another one soon.
This was a recent rush job for a lady in Ohio. Two and three quarter days to build.
I believe they would be like any tight fitted wood box, the wood swolls and seals. I have never tried river floating in one, nor have I filled one with beer and ice. Of course the eco-green boxes are made to break down, high demand for those. Pain in the butt to make, many rules to follow.