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How much aggregate should be used for an Interlock patio or walkway?

April 26, 2017aggregate Interlock patio Used walkway

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How much aggregate should be used for an Interlock patio or walkway?

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.) With our climate in Ottawa, using 8″-10″ of crushed stone will do the job but our standard excavation depth is 12″. The more depth added to the crushed stone base will increase it’s durability and resistance to heaving.