Jointers and Groovers
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Jointing the concrete is accomplished by grooving tools (unless the slab will be sawcut later). The purpose is to control the location of cracks that may form when the slab "contracts" due to drying shrinkage or temperature changes |
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Look inside tooled joints or sawcuts and you will see the concrete is cracked—The joint did its Joints are most often hand-tooled into sidewalks, driveways and patios and sawcut into floors, highways, and city streets. |