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Concrete driveways are durable but vulnerable to winter’s harsh conditions. Like asphalt, they can suffer from freeze-thaw damage, which can cause spalling—flaking or chipping of the surface.

Because it protects existing asphalt, complicated concrete maintenance isn’t necessary to keep the driveway looking top-tier.

Sodium chloride (rock salt or halite) is often used on roads, driveways and sidewalks. It's relatively inexpensive and keeps ice from accumulating on surfaces. It can damage concrete, kill ...