He built some kind of box with 3 sides, a small lid on top and little, maybe 10 or 12 inch bungees stretched around the front to keep them from sliding out
I’m going to redo the inside of my boat. I’m going to use 2 x4s as. Stringers lay my plywood on. If I totally paint the tops, bottoms and ends will that keep them from rotting out or would a normal waterproof stuff