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You’ll first need to install a base underneath your pavers for extra stability and drainage. Otherwise, the pavers can sink into the ground, and you’ll have to reinstall them. Use a base gravel layer of 4 to 6 inches for walkways and 10 to 12 inches for driveways. Compact your gravel layer every 2 to 4 inches so it’s nice and solid. After you install your gravel base, apply a 1-inch layer of sand on top.

If your new pavers look dull or unclean, it is likely due to efflorescence, a chalky, white powder that forms when lime in the pavers gets wet. This condition often resolves on its own, as rain will naturally wash it away within about a year. For faster results, you can use a pressure washer to clean the pavers. Alternatively, consider using cleaning products specifically designed to remove efflorescence or applying sulfuric acid crystals.

The average cost to repair an asphalt driveway is around $2,459 to $2,500. However, prices can range from $100 for minor DIY crack filling to over $4,000 for more extensive professional work. Costs are often calculated per foot, with minor repairs costing $1 to $3 per linear foot and heavier damage like potholes, sinking, or crumbling costing $2 to $5 per linear foot. Patching smaller potholes can cost around $2 to $3 per square foot. The final price depends on the severity and extent of the damage, driveway design, local contractor rates, and whether sealing is included. For major repairs, it is recommended to hire a professional, and you may get a better deal by bundling repair and sealing services together.

You should place a layer of thick landscaping fabric directly over the concrete slab and then a thin layer of leveling sand over that to protect the pavers from moisture. For border pavers, you should plan on locking them in place with polyurethane adhesive. This will prevent them from shifting under foot traffic.