For the floor and the bottom plate of the walls, use pressure-treated lumber.
Open the toolbox and grab the carpenter's level.
On skids, which are long pieces of lumber, the shed floors are supported.
Pressure-treated lumber has been chemically treated to fend off deterioration and insect invasion.
Frozen soil may move as a result of frost heaves.
The roof overlay should be positioned over the roof frame.
The floors may be built with pressure-treated plywood.
