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The Best Porcelain Paving Sealer and How to Use It

4th April 2022

Porcelain paving is a fantastic choice for garden paths and patios, and it can even continue indoors into a garden room or conservatory. It’s dense, attractive and easy to look after, but choosing the best porcelain paving sealer is what keeps it looking that way for years. This guide explains what to look for in a porcelain sealer, why porcelain needs a specialist product and why we recommend our own.

At a glance

  • The best porcelain paving sealer should resist stains, stay invisible, go on in one coat and last for years
  • Sealers made for natural stone or block paving aren’t designed for porcelain’s dense surface
  • Resiblock recommends Resiblock Porcelain and Vitrified Paving Sealer, which protects for up to 5 years with a no staining guarantee

Why seal porcelain paving?

Porcelain is made from kaolin, feldspar and quartz baked at temperatures between 1200°C and 1550°C, which makes it very hard-wearing. Even so, an unsealed installation can still be marked by everyday life. Spilt drinks, oil from garden tools and general wear can leave unsightly patches, while months of ice, snow, wind and rain encourage dirt, algae and moss to build up. A good sealer stops these problems before they start and keeps cleaning to a minimum.

What makes the best porcelain paving sealer?

When you’re comparing products, the best porcelain paving sealer should offer:

  • Proven stain protectionResistance to dirt, oil and spills, ideally backed by a guarantee
  • An invisible finishNo change to the colour, texture or appearance of your paving
  • Easy applicationA single coat applied with everyday tools such as a brush or roller
  • Long-lasting resultsYears of protection, so you’re not resealing every season

Why porcelain needs a specialist sealer

Many paving sealers are designed for porous materials such as sandstone or concrete, where the product soaks deep into the surface. Porcelain’s dense, vitrified body has very low porosity, so these sealers aren’t designed to work with it. A dedicated porcelain sealer uses a much finer formula that can enter the microscopic pores of the paving and protect it without leaving a visible film.

Porcelain sealer Natural stone sealer Block paving sealer
Designed for Porcelain and vitrified paving Porous stone such as sandstone and limestone Concrete and clay block paving
How it works Nano-particle formula fills microscopic pores to form an invisible barrier Penetrates deep into porous stone Binds jointing sand and coats the block surface
Use on porcelain Yes Not designed for porcelain Not designed for porcelain

Why Resiblock is the best porcelain paving sealer

As paving sealer specialists with over 30 years in the industry, our top choice is Resiblock Porcelain and Vitrified Paving Sealer. It was developed specifically for porcelain and vitrified paving and meets every one of the criteria above.

The low viscosity formula combines nano-particle chemistry with poly ionic liquid technology to resist staining by dirt, debris and fluids, with a high degree of chemical resistance. It is virtually undetectable once applied, goes on in a single coat and protects for up to 5 years.

Key specifications

  • CoatsOne
  • CoverageAround 8m² per litre
  • Pack size5 litres (around 40m²)
  • Application temperature3°C to 30°C
  • Foot traffic3 to 6 hours at 20°C
  • ProtectionUp to 5 years

View Porcelain and Vitrified Paving Sealer

Backed by a no staining guarantee

Few paving sealers come with a guarantee. Resiblock Porcelain and Vitrified Paving Sealer is guaranteed against staining by dirt, debris and fluids, giving you real peace of mind that your investment is protected.

To activate the guarantee, apply the sealer in line with the full application instructions and submit the guarantee registration form within 28 days. You’ll find everything you need in our application guidelines.

Not sure it’s right for your paving?

Test the finish with a sample first, or call our customer service team on 01268 273344 for advice.

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Porcelain Paving Sealer FAQs


What is the best porcelain paving sealer?

The best porcelain paving sealer is one designed specifically for porcelain, such as Resiblock Porcelain and Vitrified Paving Sealer.

Look for guaranteed stain resistance, an invisible finish, single coat application and long-lasting protection. Resiblock’s sealer uses nano-particle chemistry and poly ionic liquid technology to deliver all four, with protection for up to 5 years.

Find out more about Resiblock Porcelain and Vitrified Paving Sealer, or order Resiblock samples to test it first.


Do you need to seal porcelain paving?

Sealing porcelain paving is recommended to protect it from staining, chemical spills and general wear.

Porcelain is fired at very high temperatures, giving a dense and hard-wearing surface, but drinks, oil from garden tools and months of winter weather can still leave marks. A specialist sealer also makes it harder for algae and moss to take hold.

Find out more about protecting this surface on the Resiblock porcelain and vitrified paving page.


Can I use a natural stone sealer on porcelain paving?

A natural stone sealer isn’t designed for porcelain, so a dedicated porcelain sealer is the better choice.

Natural stone sealers are made to soak deep into porous materials such as sandstone. Porcelain has very low porosity, so it needs a finer formula that can protect its microscopic pores without leaving a film on the surface.

Choose Resiblock Porcelain and Vitrified Paving Sealer for porcelain, or browse the Resiblock natural stone range for sandstone and other natural paving.


How much porcelain sealer do I need?

One litre of Resiblock Porcelain and Vitrified Paving Sealer covers around 8m², applied as a single coat.

Measure the area, then divide by eight to work out how many litres you need. The sealer comes in 5-litre tins, so one tin covers roughly 40m², depending on the porosity of the paving.

Before you start, read the Resiblock application guidelines and remember to register your guarantee within 28 days.