How To
To correct a cupped board, lay the concave side down in wet grass, in a sun
To correct a cupped board, lay the concave side down in wet grass, in a sunny spot. The sun hitting the convex surface will contract that side faster than the wet side. Watch the board closely; it could take 4 hours or as long as 4 days to undo the cupping.
By Yankee Magazine|Mar 24 2013|
