Economy is the lowest grade available. This is usually junk wood, dunnage taken off of railcars, and pencil stock. You can get a lot of twist, wane, and huge loose knots with economy grade lumber.
Utility is the next grade up in quality from economy. The discerning consumer can usually find a few useful pieces of lumber at this grade. One of the functions in large commercial lumberyards is buying utility grade lumber in bulk and upgrading it to ˜stud’
Stud grade, as implied by the name, is the most common grade used to build the framework of houses. Thus, the electronic device used to find lumber under drywall in a house is called a stud finder. Since the primary purpose of stud grade lumber is to hold up a house, very little twist is allowed, although you can have large amounts of Read More