Caulking expansion joints and repairing cracks on a concrete driveway has many advantages such as:
Preventing damage: Caulking helps protect the concrete from freeze-thaw damage, salt damage, prevents water from seeping through cracks and other forms of weathering that may cause the concrete to break down prematurely over time.
Improving appearance: A properly caulked driveway can give a clean and finished look to the concrete surface.
Increases lifespan: By preventing water damage and cracking, caulking can increase the lifespan of a concrete driveway.
Increasing durability: A well-caulked concrete driveway is more durable and less likely to need repairs or replacements in the future.