A detailer polishing the paint on a blue car

Ceramic Coating & PPF Guide: Compare

Ceramic Coating vs Paint Sealant

Paint sealants and ceramic coatings are often sold side by side, and the labels blur the line: plenty of sealants now say "ceramic" on the bottle. Both are synthetic, both bead water, and both last longer than wax. The real differences are how much active material goes on the paint, whether it cures into a hard film, and how much preparation the paint needs first.

This guide explains those differences, shows how one coating maker rates its own sealant against its coatings, and helps you decide when a sealant is the smarter buy.

The short answer

A paint sealant is a thin synthetic layer, usually polymer or siloxane based, that lasts months and needs only a clean, decontaminated surface. A ceramic coating carries far more active material, cures into a harder film bonded to the clear coat, and lasts years, but requires polished paint and careful installation. A sealant is a good short-term or budget choice; a coating suits owners keeping the car for years.

Key points

  • Sealants lay down a thin synthetic layer that lasts months; coatings cure into a thicker, harder film rated in years.
  • One maker's spray sealant lists 10% active material, while its coatings list 90% to 100%.
  • Sealants forgive imperfect prep; coatings lock in whatever is under them, so they need polished paint.
  • Level 1 and Level 2 details and every paint correction at The Auto Show include a 6-month sealant.
  • A sealant also works as a maintenance topper on top of a cured coating.

Chemistry

What a paint sealant actually is

"Sealant" is a broad label for synthetic paint protection that is not wax and not a full coating. Older sealants were built on acrylic and other polymers. Many current ones use silicone chemistry such as polydimethylsiloxane, often with a small amount of silica, which is why the word ceramic shows up on the bottle.

IGL's own spray sealant is a useful example because the maker publishes its numbers. IGL calls it a ceramic car sealant, says it contains polydimethylsiloxane that crosslinks with the surface as it dries, rates it at up to 6 months, and lists 10% active material in a water-based formula. It goes on with a sprayed microfiber, gets buffed until the haze disappears, and can be layered after 30 minutes.

Chemistry

What makes a coating different

A ceramic coating is mostly active material. IGL lists 100% active material and 0% solvent for Kenzo, and 90% active material for Quartz+, compared with that 10% for its spray sealant. More active material means a thicker cured film per pass and much more to wear through before the paint is bare.

Coatings also cure differently. IGL's Kenzo data sheet describes a base layer, a wait of about 2 hours at normal temperatures before a top layer, about 4 hours of keeping the car dry, and full cure in 3 to 5 days. If the film is left to harden unevenly for more than 12 hours, the data sheet says it has to be polished off and reapplied. Nothing about a sealant is that unforgiving.

Prep

Why prep is the real price difference

A sealant can go on any clean, decontaminated surface. It will even soften the look of light swirls for a while. If it goes on a little uneven, the next wash or a quick wipe evens it out.

A coating bonds to whatever it touches and stays there. IGL's data sheets say durability depends on how well the coating chemically bonds, recommend polishing with an abrasive system, an iron remover, a wash and a degreasing wipe, and ask that the surface be coated immediately afterward so nothing lands on it. That is why a coating at The Auto Show requires at least a Level 2 detail plus a paint enhancement or correction, and why the coating price is only part of the total.

In practice

Where sealant shows up in your detail

  • Level 1 Detail (about 4 hours): hand wash, wheels, a 6-month paint sealant and a basic interior. From $149.99 for a 2-door.
  • Level 2 Detail (about 6 hours): adds iron remover, bug and tar remover, clay bar and trim restorer before the sealant. From $249.99 for a 2-door.
  • 1-Step and 2-Step paint corrections: every correction includes a 6-month sealant, so freshly polished paint is never left bare.
  • After a correction, the shop recommends at least a 1-year coating if you want protection that outlasts the sealant.

Prices are starting prices for the smallest vehicle class; final prices are confirmed after inspection.

Decide

When a sealant is the right call

You are selling or trading soon
A detail with sealant makes the car look cared for at a fraction of a coating's cost, and nobody needs five years of protection on a car leaving in three months.
The paint needs repair first
If a panel is going to the body shop, seal it for now and coat after the repair, once fresh paint has had time to cure.
Budget is tight this season
A Level 2 detail with sealant protects the paint now and leaves the decontamination done, so a later coating starts from a better place. Plans by budget
You like doing it yourself
Sealants are easy to reapply at home. Expect to repeat it a couple of times a year.

Decide

When a coating is worth the extra

You keep cars for years
The longer you own it, the more reapplications a coating saves and the more its upfront cost spreads out. 1, 3 or 5 years
You just paid for correction
A correction removes clear coat to level defects. Protecting that work with a sealant that fades in months wastes some of it.
The car lives outside
Driveway cars in Upstate sun, pollen and bugs wear through thin protection fastest. A thicker cured film buys more margin.
You want easier washes
A cured coating keeps its slickness far longer, so pollen, clay dust and bugs release with less scrubbing.

Together

Using a sealant on top of a coating

Many coating makers design their sealant as a maintenance product for coated cars. IGL says its sealant was first developed to help installers maintain its coatings and is compatible with all of them; its data sheet notes one layer is enough when it is used as a topper. Some coating data sheets also suggest it during the first days of curing to help resist water spots.

A topper refreshes slickness and beading on the surface. It does not rebuild a worn coating underneath, so if the coating itself has thinned out after years of use, the fix is inspection and, if needed, a new coating.

Paint sealant vs ceramic coating
Paint sealantCeramic coating
Typical chemistryPolymers or siloxanes, low active contentSilica-forming resins, high active content
Example active content10% (IGL spray sealant)90% to 100% (IGL Quartz+, Kenzo)
Typical lifeMonthsYears with proper maintenance
PrepClean and decontaminatedDecontaminated, polished, degreased
Forgiving to applyYesNo: high spots must be leveled in minutes
Role on a coated carTopper between washesThe base protection

Active content figures are IGL's published numbers for those specific products.

Not sure if a sealant or coating fits your plans?

Tell us how long you plan to keep the car and how it is parked. We will inspect the paint and recommend a detail with sealant or a coating, with the prep each needs.

Common questions

Is a ceramic sealant the same as a ceramic coating?

No. A ceramic sealant borrows some of the same silicone and silica chemistry but in a much thinner, lower-concentration layer. IGL, for example, lists 10% active material for its sealant and 90% to 100% for its coatings. The sealant lasts months and is easy to apply; the coating lasts years and needs polished paint and careful installation.

How long does a paint sealant last in South Carolina?

Most are rated in months, and the sealant in a Level 1 or Level 2 detail is a 6-month product. Real life depends on washing and parking. A car parked outside through an Upstate summer, washed with strong soaps or run through brush washes will lose its sealant sooner than a garaged car washed gently by hand.

Can I put a sealant over my ceramic coating?

Yes, if it is compatible. Many coating makers sell a sealant meant for exactly that, and it refreshes slickness and beading between washes. Apply it to a clean, cool panel out of direct sun. It will not repair a worn coating underneath, so if water stops beading even after a proper wash, have the coating inspected.

Should I get a sealant now and a coating later?

That works well. A Level 2 detail with sealant handles decontamination and protects the paint for months. When you are ready, the coating still needs its own fresh prep, since any sealant on the paint has to be removed by polishing so the coating can bond to bare clear coat.

Sources

  1. Ecocoat Premier, IGL Coatings (https://iglcoatings.com/products/ecocoat-premier/), accessed October 2026
  2. Technical Data Sheet: Ecocoat Premier, IGL Coatings (https://iglcoatings.com/wp-content/uploads/2023/12/tds_ecocoat_premier_154282.pdf), accessed October 2026
  3. Ecocoat Kenzo (Graphene Reinforced), IGL Coatings (https://iglcoatings.com/products/ecocoat-kenzo-graphene-reinforced/), accessed October 2026
  4. Technical Data Sheet: Ecocoat Kenzo K1, IGL Coatings (https://iglcoatings.com/wp-content/uploads/2023/09/tds_ecocoat_kenzo_K1_154343.pdf), accessed October 2026
  5. Ecocoat Quartz+ Graphene Reinforced, IGL Coatings (https://iglcoatings.com/products/ecocoat-quartz-plus/), accessed October 2026
  6. Technical Data Sheet: Ecocoat Quartz+, IGL Coatings (https://iglcoatings.com/wp-content/uploads/2023/09/tds_ecocoat_quartz_154310.pdf), accessed October 2026

Prices on this page are The Auto Show’s published starting prices and are confirmed after we inspect the vehicle. Product ratings and warranty terms come from the manufacturers.