Precision paint correction • Grant Park, IL
Machine polishing that levels defects, removes swirls and restores true optical clarity to your vehicle’s clear coat—measured, tested and finished under high-output shop lighting.
The reality of paint defects
How paint goes dull
Factory clear coat doesn’t go dull on its own. It gets covered in thousands of microscopic scratches—from touch car washes, improper drying, light towel contact, water spots that etch in the sun, and years of oxidation. Each one bends light in a different direction, and the paint reads hazy instead of deep.
Why wax isn’t the answer
Waxes and cheap glazes fill those scratches with oils. It looks better for a few washes, then the defects come right back—because they were never removed.
What correction actually does
Machine correction carefully levels the microscopic edges of the defect itself. Light reflects straight back, and the color and depth you’re seeing is the actual paint—not a filler hiding it.
Same hood. Same lights.
Swirled and hazy on one side, machine corrected on the other—photographed under the same shop lighting, with nothing added or edited.
Drag the handle, or use the arrow keys, to compare the swirled finish with the corrected paint.
Marine correction
Swirled and hazy gel coat on one side, machine polished to a mirror finish on the other—photographed under the same shop lighting, with nothing added or edited.
Real defect removal on a Mercury outboard—drag the handle to see the haze lift and the gloss come back.
Restore vs. repaint
Scratches don’t automatically mean a new paint job. In most cases your original factory paint can be restored for a fraction of the cost of refinishing.
A quality repaint runs $5,000 and up. Paint correction restores your existing finish for a fraction of that.
Original factory paint is worth more at trade-in than a repainted vehicle. Correction keeps your car original.
Body shops keep vehicles for weeks. Most corrections are completed in 24–48 hours.
Correction stages
Paint depth, paint softness and defect severity vary from car to car. We inspect the vehicle at the shop, then recommend the stage that fits the paint and the result you’re after.
Single-stage machine polish
Paint enhancement
A focused polishing stage that removes roughly 50–70% of lighter defects, clears wash haze and brings back intense gloss. Often the right preparation for a ceramic coating on newer or well-kept vehicles.
Compound + finishing polish
Multi-stage correction
A dedicated cutting stage levels deeper swirls and scratches, followed by a finishing polish for maximum mirror clarity. The right choice for paint with heavier defects or a higher finish objective.
Isolated defect removal
Spot correction & sanding
Isolated heavy defect removal, wet sanding on severe scratches, and scratch refinement where clear-coat depth safely allows. Always evaluated panel by panel in person.
Paint correction is priced after an in-person evaluation of your vehicle. A 20% booking deposit is required to reserve your appointment.
The Porter’s correction process
Swipe or use arrows
Honest expectations
Correction removes a controlled amount of clear coat. Knowing where that limit sits is what keeps your paint safe.
What we correct
What can’t be polished out safely
If a defect falls into this list, we’ll tell you up front and recommend the realistic option—often touch-up or refinishing rather than polishing.
Proven results
Real customer vehicles, machine polished and photographed inside the Grant Park shop—no filters, no tricks.
Paint correction FAQ
Every vehicle is quoted in person. Paint depth, paint softness and defect severity vary too much for an accurate number sight unseen, so we inspect the vehicle at the shop in Grant Park and quote from what the paint actually needs. Start with a quote request or call (815) 922-1925.
Yes, when it’s done by professionals. We use electronic paint depth gauges to measure your clear coat before touching the vehicle, then safely remove a microscopic layer—typically less than 1 to 3 microns—to level out the scratches. That permanently removes the defects while preserving maximum clear coat thickness for long-term paint health.
Our multi-stage correction typically eliminates 85% to 95% of surface swirl marks, heavy oxidation and light scratches. Deep scratches that have cut completely through the clear coat into the primer or bare metal can’t be safely buffed out without risking paint failure. For those, we carefully round off the scratch edges so they’re significantly less visible to the eye.
Most corrections are completed in 24 to 48 hours, depending on vehicle size, the stage of correction and the condition of the paint. We confirm the schedule with you when the vehicle is evaluated.
Correction permanently removes the current swirls and scratches, but it leaves your clear coat completely bare and exposed. We highly recommend locking in that mirror reflection with a CCI ceramic coating—a hard sacrificial barrier that prevents future wash marring, seals out UV rays and makes the deep shine far easier to maintain.
Keep exploring
Paint correction • Grant Park, Illinois
Book your in-person paint evaluation at our Grant Park shop and we’ll show you exactly what your finish can look like.
