Below, we'll walk you through the two variations of concrete slab shed foundations ... excavate to a depth of over a foot or so, then cover the excavated area with a layer of sand before pouring ...

Learn More › When you need to repair a sidewalk, create a space to store a trash can, or build a small storage shed ... ¼ the depth of the concrete, or 1-inch deep for a slab that’s 4 ...