Best Block Paving Sealers of 2025

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Block paving sealers are a type of product used to protect and enhance the appearance of block paving surfaces. These sealers help to stabilise the structure of the paving, making it more resistant to weathering and wear and tear. They also help to prevent the growth of weeds and moss, as well as protecting the surface from oil and other stains. Block paving sealers come in a variety of formulations, including solvent-based and water-based options, and can be applied to a range of surfaces, including driveways, patios, and walkways. They are a great way to maintain the appearance and longevity of your block paving, and are highly recommended by professionals in the industry.
At a Glance: Our Top Picks
Top 10 Block Paving Sealers
Marl Coatings Wet Look Driveway Sealer 20L
The Marl Coatings Driveway Sealer offers an aesthetically pleasing wet look that enhances the appearance of your block paving. It effectively seals and protects the surface, ensuring longevity and maintaining its attractiveness. By stabilising jointing sand, it helps prevent shifting and erosion, which can lead to further damage. Additionally, its high performance means you can enjoy long-lasting results, making it a practical choice for homeowners looking to preserve their driveways.
Smartseal Wet Look Block Paving Sealer
The Smartseal Block Paving Sealer offers exceptional protection for your block paved driveways and patios. Its solvent-based formula ensures a durable satin finish, making your outdoor space not only beautiful but also well-protected. You will appreciate its effectiveness as a sand hardener and weed inhibitor, creating a robust barrier against oil spills and stains. With weatherproof properties, this sealer withstands harsh conditions, ensuring your block paving remains pristine for longer, regardless of the weather.
Smartseal Block Paving Sealer - Durable and Easy to Apply
The Smartseal Block Paving Sealer offers exceptional results with its durable, solvent-based formula that protects your block paving driveways and patios while providing a stylish matt finish. Its easy application method allows you to use a sprayer or roller, making the sealing process quick and efficient. Additionally, this sealer acts as a highly effective weed inhibitor, creating a robust barrier against oil spills and stains, ensuring your outdoor surfaces remain pristine. Recommended by experts, it provides excellent resistance to weathering and surface damage, giving you peace of mind.
Everest Trade High-Performance Block Paving Sealer
The Everest Trade Block Paving Sealer offers a high-performance seal coating that ensures your surfaces are protected and aesthetically pleasing. Its highly durable polyurethane formulation provides a premium satin finish, making it suitable for a variety of settings including domestic, industrial, and commercial environments. You can enjoy peace of mind knowing that it is 100% UV fade resistant, maintaining its appearance over time. Furthermore, it hardens sand joints to effectively prevent weed formation, keeping your outdoor areas looking tidy and well-maintained.
Smartseal Eco-Friendly Block Paving Sealer 5 Litre
The Smartseal Block Paving Sealer offers exceptional, solvent-free protection for your driveways and patios. Its high-performance formulation ensures a durable barrier against oil spills and stains, keeping your outdoor surfaces looking pristine. You will appreciate the weatherproof nature of this sealer, which withstands heavy rain, heat, and cold, providing long-lasting results. With excellent coverage of up to 4m² per litre for the second coat, you can efficiently complete your sealing project, saving you time and money in the process.
Ronseal Patio & Block Paving Seal 5 Litre
The Ronseal Paving Seal is designed to provide advanced protection for your paving. It seals effectively, helping to guard against dirt and harmful chemicals, which keeps your surfaces looking pristine. You will also appreciate its ability to resist the penetration of oils and fuels, ensuring your patio remains in top condition. Additionally, this product contains a powerful biocide that helps to combat moss and algal growth, making maintenance easier for you.
Multicrete Gloss Finish Block Paving Sealer
The Multicrete Block Paving Sealer is a high-quality acrylic solvent-based clear sealer designed to enhance and protect your block paved areas. Its ability to repel water, dirt, oil, and fuels means your surfaces will stay cleaner and look better for longer. With no dilution required, it is ready for immediate use, making application quick and hassle-free. You can apply it easily with various tools, including a sprayer or brush, giving you flexibility in how you achieve the perfect finish.
Smartseal Block Magic Paving Sealer
Smartseal Block Magic is an exceptional re-colouring sealer designed to rejuvenate your old block paving. It transforms tired surfaces into stunning, like-new appearances while providing superior protection against dirt and stains. This UV stable formula ensures long-lasting colour restoration, protecting your driveway from fading over time. Additionally, its hard-wearing nature defends against weathering, pressure washing, and heavy usage, keeping your block paved surfaces pristine for years. Enjoy the ease of application with two coats for optimal results.
Ronseal 5 Litre Patio and Block Paving Seal
The Ronseal Patio Seal offers excellent protection for your outdoor surfaces. It effectively shields against harsh weather conditions in just one hour, ensuring your patio stays in top condition. This sealant also resists algae growth, helping to maintain a clean and safe environment for your family. Additionally, it protects against oil and fuel stains, so you can enjoy your outdoor space without worrying about unsightly marks. With its natural finish, your patio will look great without a shiny sheen, preserving its authentic appearance.
Thompson's 5L Wet Look Patio Seal
Thompson's Patio Seal is designed to provide long-lasting protection for your patios and driveways. Its durable formula effectively guards against fuel, oil, and dirt stains, ensuring your surfaces remain immaculate. With an impressive coverage of 6m² per litre, you can efficiently seal larger areas without needing multiple applications. Additionally, the UV resistant formula helps maintain the seal's effectiveness against sunlight damage, so your outdoor spaces stay looking great for longer. Plus, you can expect it to be touch dry within just 1 to 2 hours, allowing for quick use of your outdoor areas.
Frequently Asked Questions (FAQs)
1. What is the best sealer for block paving?
Polyurethane Block Paving Sealer (Solvent-Based) We recommend polyurethane sealants above all due to their long-lasting performance. This is the most rigid resin available for patio paving and block paving, and solvent-based sealers will lock in the quality even further.
2. Is it a good idea to seal block paving?
By sealing your block paving it will increase your block paving and patio's life span. If you put the best type of sealant in place, your block paving and sealant could last for years to come. Not only will it increase the life span, but it'll also contribute to other benefits such as: Reduce mould growth.
3. Can Thompsons water seal be used on block paving?
Thompson's One Coat Patio and Block Paving Seal 5 Litres Clear is a durable patio seal for weatherproofing, reviving and protecting patios and paving against oil, fuel and dirt stains. It protects and seals patios from the weather in just one coat.
During our block paving sealer research, we found 74 block paving sealer products and shortlisted 10 quality products. We collected and analyzed 8,543 customer reviews through our big data system to write the block paving sealers list. We found that most customers choose block paving sealers with an average price of £91.11.
The block paving sealers are available for purchase. We have researched hundreds of brands and picked the top brands of block paving sealers, including marlcoatings, SmartSeal, Everest Trade Paints, Ronseal, Multicrete. The seller of top 1 product has received honest feedback from 76 consumers with an average rating of 4.5.

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.