What are swirl marks on car paint?

Also calledCar wash abrasions, Marring, Spider Web Swirls

Fine circular scratches that show in direct sun are wash damage. They are thousands of tiny scratches in the clear coat from grit dragged across the paint. Automatic brush washes, dirty sponges and old towels are the usual cause.

What kind of repair does it need?

A machine polish. The clear coat is cut back just below the scratches so the surface is level again.

Class of work Machine polishing, or a refinish where the marks were cut in too deep.

Almost always the polish. Marks cut in deep, usually by a rotary machine in the wrong hands, may be too deep to polish out safely. Then that panel is painted.

What to do next

Book a detailer. It will come back unless the washing changes. Use two buckets and a clean mitt, and stay out of brush car washes. Clear coat is thin and every polish takes some, so this is not something to do every year.

Sources

  1. Standoxpaint makerDamaged or dirty automatic car wash brushes
  2. Spies Hecker (Axalta)paint makerTreat surface again with suitable polishes
  3. Axaltapaint makerIf condition is not removed, or layers are cut through, thoroughly dry topcoat, sand and refinish.
  4. OCD Car Careproduct sellerSwirl Marks or Spider Web Swirls are the common all-direction-type scratches visible on many vehicles.
  5. Chemical Guysproduct sellerAppear as light swirls or spiderwebs that reflect in sunlight but don't feel deep
  6. Sherwin-Williams Automotivepaint makera minimum film thickness of the clearcoat (2 mils) is required to maintain adequate ultraviolet protection

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Related

What is a light scratch on car paint? A light scratch sits in the clear coat or just into the colour. Learn how to tell the difference and what repair each one needs. What is a deep scratch on car paint? A scratch your fingernail catches usually improves with polishing, and only comes out fully if it is still shallow. Learn what to expect and when it needs paint. What is a scratch into the colour coat? A scratch showing your car's own colour, duller than the surrounding paint, has broken through the clear coat. Learn what repair it needs. What is a colour coat scratch across a panel? A scratch into the colour coat that runs the length of a panel needs refinishing. Learn what that involves and what to ask for.
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