Originally Posted by
Mel Fulks
He is making a door, so cutting the material in half is not going to help ....unless it's for the dog. I think in the several long
threads on this subject that I have seen, a total of three of us have reported better results with convex side down. Makes
me think only three of us have ever tried it. I've won a few bets with it ," I bet I can make both sides a little straighter by
faceing ONE side". Not every board will do it ,but NONE will get worse. Often with concave side down the other side will
get MORE BOWED. That is easy to verify with a straight edge.