The Best Car Paint Sealant 2023

A car paint sealant is a synthetic formula that’s designed to provide superior paintwork protection for up to 6 to 12 months. Within this article, we list some of the best paint sealants that are available as liquid or spray formulas.

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Best Car Paint Sealant
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If you require a quick answer, the best car paint sealant is the Chemical Guys JetSeal, which bonds with the paintwork to provide a sharp luster finish that lasts up to 12 months. If you would prefer to use a spray type of sealant, the Gtechniq Liquid Crystal is the best alternative that’s easy to use and leaves behind a flawless finish.

To rate the paint sealants within this article, we based our recommendations upon our own experience of using multiple branded products, plenty of research and a number of factors. The factors we took into consideration included their protection length, type, finish, ease of application and value for money.

Table of Contents

Car Paint Sealant Comparison

Car Paint Sealant Type Protection
Chemical Guys JetSeal Liquid Up To 12 Months
Gtechniq Liquid Crystal Spray 4 – 6 Months
Boora Permaseal Liquid Up to 10 Years
Sonax Polymer Netshield Spray Up to 6 Months
Autoglym Extra Gloss Liquid Up to 6 Months
Meguiar’s Synthetic 21 Liquid Up to 6 Months

Although a wax may provide a more desirable finish, it only last between 2 to 3 months at best. Even if you use one of the best rated car waxes, it still wouldn’t come anywhere near the level of protection a paint sealant provides.

Below is a list of the best car paints sealants that provide superior protection and a high gloss finish.

The Best Car Paint Sealant

1. Chemical Guys JetSeal Paint Sealant

Chemical Guys JetSeal
By far one of the most popular and highly rated paint sealants is the Chemical Guys JetSeal. It’s designed to leave behind a sharp luster finish and provide up to 12 months of protection after just a single application.

Other features of the Chemical Guys JetSeal include:

  • Bonds with the paintwork
  • Durable high gloss shield
  • Up to 12 months of protection
  • Advanced UV protection
  • Application by hand

Although expensive, the Chemical Guys JetSeal ticks all the boxes and is the best paint sealant available in the UK. It’s easy to use, provides a great protective finish that lasts 12 months and it won’t disappoint.
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2. Gtechniq C2 v3 Liquid Crystal Spray

Gtechniq Liquid Crystal
The Gtechniq brand are well-known for their impressive ceramic coating but they also produce a number of other popular products such as this sealant. The Liquid Crystal formula is designed to be applied by hand and it provides 4 to 6 months of paint protection when applied correctly.

Other features of the Gtechniq Liquid Crystal include:

  • 4 to 6 months of protection
  • Repels water, grime and dirt
  • Easy to spray application (one panel at a time)
  • Use within 12 months once opened
  • Available in 100, 500, 1000 or 5000 ml bottles

The Gtechniq Liquid Crystal is an excellent all-round car paint sealant that’s affordable and provides great results. When compared to the Chemical Guys JetSeal above, it’s also much easier to apply using the spray formulation.
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3. Boora Permaseal Car Paint Sealant

Boora Permaseal
The Boora Permaseal is the longest lasting car paint sealant on the market that’s designed to provide up to 10 years of protection. Although it requires a more involved application, it’s worth your time in doing so due to its durability.

Other features of the Boora Permaseal include:

  • 10 years of protection
  • Uses PTFE nano technology
  • Application by hand
  • Two step application
  • Made in Germany

If you don’t want to be applying a car paint sealant every 6 months to a year, the Boora Permaseal is the best option. It’s relatively easy to apply and provides an incredible 10 years of paint protection.
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4. Sonax Polymer Netshield Paint Sealant

Sonax Polymer Netshield
The Sonax Netshield is a fairly unique paint sealant as it comes in the form of an aerosol, which many will find easier to use. According to the brand, if applied correctly, you can expect up to 6 months of paint protection.

Other features of the Sonax Polymer Netshield include:

  • 340 ml aerosol
  • Application by hand
  • Provides up to 6 months of protection
  • Outstanding beading effect
  • Creates a deep shine
  • Made in Germany

Overall, the Sonax Netshield is by far one of the easiest sealants to apply and it provides a great shine from just a single application. The fact that it can last up to 6 months is another great bonus when you consider the ease of application.
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5. Autoglym Extra Gloss Sealant

The Extra Gloss Protection formula by Autoglym is a highly rated car paint sealant that’s ideal for use after the brand’s popular car polish. For the best results when using this sealant, the brand recommend applying it with a soft cloth in thin layers and then allowing 30 minutes before buffing off.

Other features of the Autoglym Extra Gloss include:

  • Application by hand
  • Suitable for all automotive paintwork finishes
  • Contains no cleaning or polishing agents
  • High gloss finish
  • Made in the UK
  • Available in a 350 or 500 ml bottle

Overall, the Autoglym Extra Gloss formula is a high quality yet affordable car paint sealant that won’t disappoint. It’s best used after the brand’s SRP polish as it helps preserve the finish and enhance the gloss finish to the paintwork.
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6. Meguiar’s M2116 Car Paint Sealant

The Meguiar’s Synthetic Sealant is another popular option that’s designed to produce a deep reflective finish and advanced protection. Whether you want to use a car polishing machine or apply it by hand, it has an easy on and off formula that wipes clear smoothly without resistance.

Other features of the Meguiar’s Synthetic Sealant include:

  • Hydrophobic polymer technology for maximum beading
  • Eliminates fine scratches and swirls
  • Easy to apply and buff off
  • Application by hand or polisher
  • 473 ml bottle

Overall, the Meguiar’s Synthetic Sealant provides excellent results that are easily achieved by hand or machine. The formula also offers great value for the money when compared to sealants produced by other reputable brands.
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How We Rated The Paint Sealants

As well as testing a range of paint sealants from some of the big brands in the UK, we also based our recommendations upon plenty of research and multiple factors. The factors that we considered included their protection length, type, finish, ease of application and value for money. In terms of the testing, we tested sealants by Chemical Guys (as shown in the photo), Autoglym, Gtechniq and many other top rated brands.
Best Car Paint Sealant UK


Paint sealants are much easier to apply than a ceramic coating and provide greater protection than a wax. They are the perfect formula to use on your daily driver that needs maximum protection against contaminants and UV rays. All of our recommendations are suitable for every budget and include both liquid and spray formulations.

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