Many homeowners experience mold and mildew on their lumber as houses are built or room additions are constructed. The good news is the lumber is going to be fine and there's rarely any damage to the wood. If it's just surface mold or mildew, it will clean off.
Building a wall for a shed or a house is not that hard, but then again, there are many places you can make a mistake. Understand there are many ways to achieve your wall-building goal. What follows are methods I’ve used to build walls that are square, plumb and level.