It won't be used for cars. It is on 40 acres and there is nothing there yet so this will be the first building to work from before the big shop or house is built.
20x20 garage
The concrete is getting poured in a few weeks.
Here is a sketchup of what I plan to build. It will be an all metal frame on the concrete. I am having metal base plates put in the concrete. Once the metal frame is up I was thinking of wrapping it with ½” ply wood with tar...