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RE: Finishing Wood Products Without Cupping6/2
We are a professional shop creating custom wood products. The question is if we have a piece of poplar or oak wood, 10" wide x 10' long, and a 1/4 " full thickness to finish, with a stain or dye and a light sheen finish on one side, should we apply the same finish on the other side to balance it, so it will not cup, or what products are recommended to counterbalance the opposing side?
We have a couple of artistic pieces of wood, for a client, that we will fabricate in our shop, and apply on their wall.
Same clear finish, don't need the dye on the back side. I'd suggest it won't stay flat when you machine it. Especially if there is some cathedral figure in it.
I just dont think they are gonna behave at 1/4" thick. you have to pay attention to how you store glued up 3/4" and thicker stock. A 1/4" is gonna want to curl up like a tater chip.
Just today I picked up some sanded panels from my supplier. They didn't put anything over the top one and laid it flat. It cupped almost a half inch.
I think you are going to have to live with some cupping.