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While a patio doesn't need edging to hold the stones in place, cobblestones are an option.
To install them, dig a trench far enough into the pack to accommodate a 4-inch bed of concrete and set each stone 3½ inches below finish grade.
After the patio is firm enough to walk on, spread stone dust over the stones and sweep it into the joints and along the edge.
To install them, dig a trench far enough into the pack to accommodate a 4-inch bed of concrete and set each stone 3½ inches below finish grade.
After the patio is firm enough to walk on, spread stone dust over the stones and sweep it into the joints and along the edge.


















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