It’s a hot day and your car has just been washed. You park under a tree to protect the leather seats from the sun while at work, but when you come back, you notice bird droppings on the roof and windows. It might seem like a small inconvenience, but if left to dry in the heat, bird poop can actually cause serious damage to your car's paint job. How does that happen?
The Science Behind the Damage
Bird droppings are more than just unsightly—they’re packed with uric acid, a strong chemical that can erode your car’s clear coat and even reach the paint underneath. The longer it sits, the more time the acid has to work its way into the surface. This can lead to dull spots or even permanent stains that are hard to remove.
Plus, birds often eat small rocks to help them digest their food. These tiny particles can act as abrasives, scratching the surface of your car as the acid works its way through. That means bird droppings aren’t just corrosive—they can also be scratchy.
Why Summer Makes It Worse
Summer is the worst season for bird droppings because of the intense heat. When the sun hits your car, it causes the paint to expand, while the droppings harden. As the temperature drops, the paint contracts around the hardened droppings, making them stick tighter and harder to clean. This process can make the damage worse over time.
Kinds of Damage You Might See
There are two main types of damage caused by bird droppings: topical etching and wrinkled etching.
Topical Etching
This is the mildest form of damage. It creates a shallow, discolored spot on the surface of your car. While it may look bad, it’s usually easy to fix with some polishing and buffing. If you're not sure how to handle it, a professional detailer can help restore the shine.
Wrinkled Etching
This is more severe. The acid penetrates deeper, causing visible cracks or wrinkles in the paint. It can even damage the clear coat and expose the base paint underneath. In these cases, repainting might be necessary, so it's best to seek expert help to avoid further harm.
How to Protect Your Car
If you don’t have a garage or carport, bird droppings are almost unavoidable. But there are steps you can take to minimize the risk:
- Keep your car clean. Regular washing removes dirt, sap, and other substances that could cause long-term damage. Aim for at least a wash every two weeks.
- Apply wax regularly. Wax acts as a protective barrier against bird droppings, road salt, and UV rays. Apply it two to three times a year, and use a quick detailer for small touch-ups.
Whether you need a full paint job or just a deep clean, DaSilva offers expert services to keep your car looking great all year round. If you’ve already dealt with bird damage, give us a call at our Naugatuck location to schedule an appointment today. We’ll get your car back to its best condition—fast and professionally.
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