tounge and groove depth?
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I am making my own tounge and groove boards for the back. How deep should the groove be? I was thinking 1/8″ deep with 1/16″ gaps but maybe a little more depth is necessary for such a wide frame and wood movement.
The back panel boards are 3/8″. I think I will go with 3/16″. Made some test boards and it looked like that depth will work well.