Mike Phillips
Active member
- Dec 5, 2022
- 51,004
- 7
Dirt in Paint or DIP - Stained Paint - Dirt Embedded Paint
Here's an example of what dirty paint looks like, note how where Marius has been machine polishing the green paint is now a lighter, brighter color of green while the un-touched paint has a darker, cloudier look to it.
Here's Marius showing Brandon how use the Porter Cable with Pinnacle Advanced Finishing Polish to "carefully" clean and polish the original paint after we first rubbed the paint down with #7
I used MS Paint to draw a line around the section to make it easy to see the before and after difference where Marius has buffed and where the original dirty paint remains. This is an example of DIP or Dirt in Paint also called,
Here's the picture, not the difference in the color of green on either side of the black line...
I have an article about it here,
How to remove stains and embedded dirt out of paint
And just by coincidence, my new friend Mike Searle brought his 1955 Chevy Sedan Delivery by today and his paint has a dirt embedding stain throughout the entire finish...
1955 Chevy Sedan Delivery - Upcoming Thursday Project
I cover the topic of dirty paint and how to fix it in this article I wrote way back around 1997... the forum you're reading right now is called vBulletin and it went commercial in 2002. So I wrote this before this software was even invented... LOL
The Lesson White Paint Teaches Us
The big picture is this, as your car is driven and parked outside, over time the paint itself gets dirty and the dirt that builds up can and will cloud your view of the true color of the paint.
Periodically you need to use something that will "clean" the paint. This can includes a product as simple as a one-step cleaner/wax or any of the various paint cleaners, pre-wax cleaners, polishes or compounds available today.
Of course, always use the least aggressive product to get the job done as this will fix the problem while leaving the most paint on the car to last over the service life of the car.

Here's an example of what dirty paint looks like, note how where Marius has been machine polishing the green paint is now a lighter, brighter color of green while the un-touched paint has a darker, cloudier look to it.
Here's Marius showing Brandon how use the Porter Cable with Pinnacle Advanced Finishing Polish to "carefully" clean and polish the original paint after we first rubbed the paint down with #7

I used MS Paint to draw a line around the section to make it easy to see the before and after difference where Marius has buffed and where the original dirty paint remains. This is an example of DIP or Dirt in Paint also called,
- Dirt Staining
- Dirt Embedded Paint
- Stained Paint
Here's the picture, not the difference in the color of green on either side of the black line...
I have an article about it here,
How to remove stains and embedded dirt out of paint
And just by coincidence, my new friend Mike Searle brought his 1955 Chevy Sedan Delivery by today and his paint has a dirt embedding stain throughout the entire finish...
1955 Chevy Sedan Delivery - Upcoming Thursday Project

I cover the topic of dirty paint and how to fix it in this article I wrote way back around 1997... the forum you're reading right now is called vBulletin and it went commercial in 2002. So I wrote this before this software was even invented... LOL
The Lesson White Paint Teaches Us
The big picture is this, as your car is driven and parked outside, over time the paint itself gets dirty and the dirt that builds up can and will cloud your view of the true color of the paint.
Periodically you need to use something that will "clean" the paint. This can includes a product as simple as a one-step cleaner/wax or any of the various paint cleaners, pre-wax cleaners, polishes or compounds available today.
Of course, always use the least aggressive product to get the job done as this will fix the problem while leaving the most paint on the car to last over the service life of the car.
