Before you start cutting boards and pounding nails, put together a flat work surface such as a 4x8 sheet of plywood on sawhorses ... in a remote area with no gas or electricity, fire up a wood-burning ...
The locker's 4 x 8-ft ... perhaps the roof panels at most home centers. We used Sequentia panels from Crane Composites, which are available in several colors and clear. Buy treated trim material a few ...