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