How to repair interlock driveway?

What are the steps I should follow to repair my interlock driveway? How can I identify the specific issues, and what materials do I need for the best results?

To repair your interlock driveway, first, inspect for cracks, sinking stones, or weeds. Clean the area with a pressure washer to remove dirt and debris. Identify problems by checking for unevenness or loose stones. For best results, you’ll need polymeric sand, a wooden mallet, a trowel, and a sealer. Replace damaged stones, fill gaps with sand, compact it, and seal the surface. This will enhance durability and appearance!