I am building a kitchen island. On top of the carcass is going to be a piece of plywood, and on top of that a laminated solid wood plank top of 3/4" thick planks. The plywood is to provide enough support for the overhang so I don't have to install corbels or legs.
I painted the plywood underside before attaching it. After I painted it, it cupped. I screwed the plywood down and now one corner kicks upwards a little.
Is there some way that I can make this plywood lay out flat? Or, should I leave the plywood with the lift and somehow level out the counter top?