I'll add more pictures and information as it progresses. Any comments or suggestions would be greatly appreciated.
The frame: Those are solid 4x4s secured with sunken screws.




Bingo. The whole thing will indeed to encased in a plywood shell. The top will also have a water proof sheet of (? i can't recall the name of the material off hand ? ). This is also the white material you see in the picture at the bottom of the frame that will server as the bottom of the interior cabinet. This is to contain any leaks and generally protect from moisture.YBeNormal wrote:Cross-bracing should not be required if the frame is skinned with plywood sheeting or hardwood.

