Patio Design Understanding Crushed Stone
Nov 17 2010 Crushed stone is one of the most reliable base materials you can use under a patio surface of pavers or slabs. Dig a patio base 10 inches below grade and lay a flat base of 2 inches of sand. After leveling place sheets of erosion-reducing fabric over the sand. Place a 6-inch depth of crushed stone on the fabric.