How to Protect Your Car from Road Salt

man checking tire in snowWhen the weather forecast predicts snow and ice, local town trucks are often seen spreading rock salt across Connecticut roads. This practice has been used since the 1930s to make driving safer by reducing ice formation on road surfaces.

However, as vehicles travel over these salted roads, tiny salt particles can be kicked up and settle in vulnerable areas of your car, such as the undercarriage, wheel wells, doors, fenders, and tailgates. If not cleaned promptly, this salt can significantly speed up the corrosion process, leading to long-term damage if ignored.

The Dangers of Road Salt

Rust is a common result of corrosion, which occurs when metal is exposed to water and oxygen. Salt accelerates this process, making it more likely for your vehicle to develop structural issues over time. The combination of salt, dirt, and debris from the road can also damage your car’s paint and finish.

To protect your vehicle from the harmful effects of road salt, it's important to take a proactive approach. This includes protecting the exterior from scratches and keeping the undercarriage clean. Here are some effective steps you can take:

Apply a Protective Wax Layer

Applying wax to your car's surface creates a protective barrier against rocks, debris, and flying salt particles. A fresh coat should be applied to the body and undercarriage, with regular touch-ups to maintain effectiveness. This layer helps prevent scratches that could expose the metal underneath and allows moisture to bead up and roll off, reducing the risk of rust.

If you notice any chips or scratches after driving on salted roads, repaint the area and reapply wax to keep your car protected.

Rustproof Your Vehicle

For added protection, especially in harsh winter conditions, consider having your vehicle professionally rustproofed. This process involves applying a special oil to the body and undercarriage, including door seams and other small crevices where rust can start and spread unnoticed. These areas are treated with extra attention, especially those prone to moisture, to provide better resistance against corrosion.

Clean Your Car After Driving on Salted Roads

After driving on salted roads, it's essential to wash your car thoroughly to remove all debris and salt. You can do this at home using a hose or visit a car wash that uses high-pressure water to target hard-to-reach areas like the undercarriage, wheel wells, and fenders. To effectively remove salt, follow these tips:

  • Start by spraying your car from top to bottom to loosen dirt and grime.
  • Manually scrub around the wheels and wheel wells where salt tends to accumulate.
  • Use a car-safe soap that won't strip away your wax coating—avoid using household dish soap.
  • Reapply wax after washing to restore your car’s protective layer.
  • Make it a habit to wash your car once a week during winter months.
  • Only wash your car when temperatures are above 40°F to avoid freezing issues.

Be Mindful of Where You Drive

If you must drive during snowy or icy conditions, try to avoid areas that tend to have more salt buildup. These include deep snow, which can trap salt and debris in your car’s undercarriage, and roads just before or after a snowstorm, when salt levels are highest. Also, be cautious of puddles, as they may contain concentrated salt from melting snow, which can cause hidden damage to your vehicle.

Don’t Forget the Interior

Walking through snow to reach your car can bring in salt and dirt, which can settle into your car’s carpets and mats. Over time, this can lead to stains and even damage to the underlying metal structure. To prevent this, make sure to regularly clean your car’s interior, including vacuuming and washing the floor mats. Consider using rubber mats in high-traffic areas to catch and contain any residue.

Protecting your vehicle during the winter months is crucial. Whether you choose to have your car waxed or rustproofed, taking these steps can help extend its lifespan and maintain its value. For expert service, contact DaSilva’s Auto Body today and schedule an appointment at our Naugatuck location. Stay safe and keep your car in top condition all season long.

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