Can Scratches Be Buffed Out?

Can scratches be buffed out? Sometimes, yes, and when they can it's one of the quickest and least expensive fixes a body shop does. Sometimes the scratch has gone too deep for polishing to touch. You can usually tell which kind you have before you ever call a shop.

It's worth checking now, before winter. A deep scratch that sits through a season of salty slush can turn into a rust spot by spring.

Your Paint Is Thinner Than You Think

A car's finish is built in layers. On top is the clear coat, which gives the paint its gloss and protects everything under it. Below that is the base coat, which is the color itself. Under the color is primer, and under the primer is the metal or plastic of the panel. All of it together is thinner than a credit card.

That's why buffing has limits. Polishing works by leveling the clear coat around a scratch until the scratch disappears, which means every polish removes a little clear coat. It only works when the scratch stays inside that top layer, and the same spot can only be polished so many times.

How to Tell How Deep a Scratch Is

Start with your fingernail. Run it lightly across the scratch. If it glides over without catching, the scratch is probably in the clear coat. If it catches, it has likely gone into the color or deeper.

Then wet the area. A clear-coat scratch often nearly disappears while it's wet, because the water fills the groove the same way polishing levels it.

Last, look closely at the bottom of the scratch. A white or gray line can mean primer is showing. Silver means bare metal. Black usually means the plastic of a bumper cover. None of these tests is perfect, but together they'll tell you a lot.

What Each Kind of Scratch Usually Needs

Refinishing means sanding the damaged area, priming where needed, then applying color and clear coat. To make the repair invisible, the new color is usually blended into the neighboring panel, which is why a scratch on one door can mean paint work on two. We explain that in more detail in how body shops match paint.

Why Winter Makes Deep Scratches Urgent

A scratch down to bare metal is an open door for rust, and a Northeast Ohio winter supplies months of salty water to walk through it. Here's what road salt does to exposed metal. A scratch that might sit harmlessly through a summer can start to rust within a few months of slush.

Winter also causes a lot of scratches in the first place, usually from the tools we use to clear the car. A few habits help:

• Use a soft snow brush or foam broom on the paint, and keep the ice scraper on the glass.
• Push snow off instead of scrubbing it. The grit and salt caught in the snow is what does the scratching.
• Rinse before you wipe. A towel on a dirty, salty car works like fine sandpaper.

Fall has its own hazards, too. Wet leaves left sitting on paint can mark the clear coat, which we cover in our post on falling leaves.

What About Scratch Removers and Touch-Up Pens?

They have their place. A polishing compound can improve a light clear-coat scratch, and a touch-up pen is a good way to seal a small chip so it doesn't rust over the winter. Where they go wrong is on anything bigger than a chip. A long scratch filled with touch-up paint usually looks worse up close than it did before, and heavy rubbing compound applied by hand can thin the clear coat around the scratch. If you're not sure, ask before you sand anything.

What Drives the Cost

Depth matters most: a scratch that polishes out costs far less than one that needs refinishing. After that it's the size, how many panels it crosses, whether blending is needed, and the color itself, since three-stage pearl whites and some reds take more work to match. Plastic bumper covers and metal panels are also handled a little differently.

Our approach is simple: if it can be polished out, we'll tell you so, and we won't sell a repaint to fix something a buffer can handle.

Not sure which kind you have? Send a couple of photos through our mobile repair estimate, or stop by any of our six collision centers, listed on our locations page.