You can—but we don’t recommend it with LLumar Valor. Valor’s built-in hydrophobic topcoat makes extra coating unnecessary and can hurt self-healing.
6 min read
Context
The Common Industry Practice
Walk into most detailing shops and ask about PPF, and you'll likely hear: "After we install the film, we recommend ceramic coating on top for maximum protection and water beading."
This recommendation is so common that many vehicle owners assume it's necessary. Shops present it as "the best" protection package, often bundling PPF and ceramic coating for a premium price.
Here's what they don't tell you: this recommendation often compensates for using PPF that lacks hydrophobic properties in the first place.
Motivation
Why Shops Recommend Coating Over PPF
Understanding the motivation helps explain the practice.
Basic PPF films lack water beading: Entry-level and even some mid-tier PPF films have basic clear topcoats. They protect against rock chips but don't provide the hydrophobic surface that makes vehicles easy to clean. Adding ceramic coating addresses this gap.
It's an additional revenue stream: Ceramic coating over PPF adds $500-$1,000+ to the ticket. That's significant margin on a service that takes minimal additional time when the vehicle is already being worked on.
Customers expect it: Marketing has convinced many customers that coating over PPF is necessary. Shops that don't offer it may lose business to competitors who do.
Some films genuinely benefit: We'll be honest: if you have basic PPF installed, ceramic coating over it does provide hydrophobic benefits the film alone doesn't offer.
Concerns
The Problem With Coating Over PPF
Here's what concerns us about the standard approach.
Interference With Self-Healing
PPF's self-healing capability is one of its most valuable features. Light scratches and swirl marks disappear as the film's elastomeric topcoat returns to its original shape when heated.
This works because the topcoat is exposed and can flow back together when its molecular structure is displaced by a scratch.
When you apply ceramic coating over PPF, you're adding a hard layer on top of the self-healing topcoat. For the film to heal:
The ceramic layer must either heal itself (it doesn't)
Or the scratch must penetrate through the ceramic to the healing layer beneath
In our testing, ceramic coating over PPF creates inconsistent healing. Some scratches heal normally if they penetrate through to the film's topcoat. Others remain visible in the ceramic layer.
It's Solving A Problem That Premium Films Don't Have
Premium PPF films like LLumar Valor have ceramic-infused hydrophobic topcoats built in. The water-beading, easy-cleaning properties that ceramic coating provides are already present in the film.
Adding ceramic coating to Valor is like adding a screen protector to a phone that already has Gorilla Glass. The factory protection already accomplishes what you're trying to add.
When shops recommend coating over any PPF regardless of the film's existing properties, they're either unaware of this or motivated by the additional revenue.
Increased Cost Without Proportional Benefit
Ceramic coating over PPF typically adds $500-$1,500 to the installation cost. For that investment, you get hydrophobic properties that premium films already provide.
The better investment is choosing the right film in the first place rather than adding layers to compensate for a lesser product.
Basic PPF vs LLumar Valor hydrophobic topcoat
Valor
What LLumar Valor Provides Without Additional Coating
Let's be specific about what Valor's built-in topcoat delivers.
Hydrophobic water beading: Water forms tight beads and sheets off the surface. This isn't marginal improvement; it's genuine hydrophobic performance comparable to dedicated ceramic coatings.
Contamination resistance: The ceramic-infused topcoat resists staining from bug splatter, bird droppings, tree sap, and other contaminants. Contamination sits on the surface rather than bonding to it.
Easier maintenance: The slick surface releases dirt during washing. Less scrubbing is needed, and the vehicle stays cleaner between washes.
UV protection: UV inhibitors in the topcoat protect both the film and the paint beneath from sun damage.
Full self-healing capability: Because nothing sits on top of the healing layer, scratches heal quickly and completely as designed.
These are the exact benefits ceramic coating is supposed to provide. Valor includes them from the factory.
Exceptions
When Coating Over PPF Does Make Sense
We're not saying ceramic coating over PPF is never appropriate. There are legitimate scenarios.
You have basic PPF already installed: If your vehicle already has film that lacks hydrophobic properties and you want better water behavior, ceramic coating is a reasonable upgrade.
You prefer a different film for other reasons: Some films offer features Valor doesn't, such as colored PPF or specific warranty terms. If you choose such a film, coating can add the hydrophobic properties it lacks.
You want to refresh old PPF: Film that's been installed for several years may have degraded hydrophobic performance. A ceramic coating can restore some of that functionality without removing and replacing the film.
In these cases, ceramic coating over PPF provides genuine value. Our objection is to the blanket recommendation of coating over all PPF, including films that don't need it.
Comparison
The Competitors' Dilemma
XPEL, STEK, 3M, and other quality PPF manufacturers make good films. We're not suggesting they're bad products.
However, their standard films (XPEL Ultimate Plus, STEK DYNOshield, 3M Scotchgard Pro) don't have the same ceramic-infused topcoat technology that Valor includes. They have clear topcoats that self-heal but don't provide significant hydrophobic performance out of the box.
Shops using these films legitimately recommend ceramic coating on top because the films benefit from it. The coating adds properties the base film doesn't have.
This is why your film choice matters. Selecting a film with built-in hydrophobic technology eliminates the need for, and expense of, additional ceramic coating.
Our approach
Our Approach
At Auto Obsessions, we chose LLumar Valor specifically because it doesn't require compensation with additional products.
When we install Valor, we don't upsell ceramic coating on the film. The film performs as intended without it. Adding coating would:
Increase your cost unnecessarily
Potentially interfere with self-healing
Create additional maintenance requirements
We would rather deliver excellent results with a single product than sell additional services the vehicle doesn't need.
Where We Do Use Ceramic Coating
We use Labocosmetica ceramic coatings on surfaces NOT covered by PPF.
Our current promotion includes free ceramic coating on all non-PPF panels with Full Front PPF purchase (vehicles under 500 miles). This combination provides:
PPF physical protection on high-impact areas
Ceramic coating chemical protection on remaining surfaces
Valor's built-in hydrophobic performance on PPF areas
This approach uses each product where it makes the most sense without redundant layering.
PPF vs ceramic coating coverage areas
Checklist
Questions To Ask Your Installer
If you're getting PPF installed elsewhere and coating is recommended on top, ask these questions:
"What PPF film are you using, and does it have built-in hydrophobic properties?"
If they're using film without hydrophobic technology, the coating recommendation is reasonable. If they're using premium film, ask why additional coating is necessary.
"Will coating affect the film's self-healing?"
See how they respond. If they dismiss the concern or claim it doesn't matter, they may not fully understand how self-healing works.
"What's the total cost difference between your standard film with coating versus premium film without?"
Sometimes premium film without coating costs less than basic film plus coating. Do the math before assuming the cheaper film is the better value.
"Is the coating necessary, or just recommended?"
Necessary and recommended are different things. Push for an honest answer about whether it's required for good results.
Frequently Asked Questions
Yes, technically you can. Many shops offer it. The question is whether it's necessary—especially with LLumar Valor, which has a built-in ceramic-infused topcoat. Coating over Valor adds cost and can reduce self-healing; we don't recommend it.
Yes. Self-healing happens in the top layer of the film. A coating on top blocks heat from reaching that layer, so scratches heal more slowly or not at all. With Valor's built-in hydrophobic topcoat, you get water beading without sacrificing self-healing.
When you already have basic PPF without hydrophobic properties, when you've chosen a different film for other reasons, or when you're refreshing older film. See Ceramic Coating vs PPF and What Does Ceramic Coating Do?
Ask what film they use and whether it has built-in hydrophobic properties, whether coating will affect self-healing, and the total cost of standard film + coating vs premium film without coating. Get a clear answer on whether coating is necessary or just recommended.
Ready to Get Started?
Get a quote from Auto Obsessions. Serving South Bend, Mishawaka, Elkhart & Michiana.