In This Issue

Wood Dr

Moisture change in stored lumber

Q. When lumber comes out of the kiln at 6 percent MC, shell and core, and is then put into an open shed, still stickered, protected from rain and sun, how much moisture change will occur in a week? How much if we un-sticker it first? How much if we wrap in plastic?

Wood Dr

Changing shape in a square profile

Q. What makes a 2 x 2 inch square (about 24 inches long) that initially has the sides at perfect 90 degrees so it has a square profile become slightly diamond shaped with the sides no longer at 90 degrees to each other?