10 Best Patio Slab Sealer Clear in The UK

Last updated on 16/08/2025

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Smartseal Block Paving Sealer - Matt Finish - Easy to Apply, Block Paving Sealant. Durable Sand Hardener & Weed Inhibitor – Best Block Paving Sealer for Driveways, Paths & Patios (4 x 5 Litre)

Why We Love It

Exceptional performance and durability.
Effective weed and stain protection.
Enhances block paving appearance.

Main Highlights

🛡️ SOLVENT-BASED DURABLE BLOCK PAVING SEALER - Experience exceptional results with Smartseal's high-performance Block Paving Sealer. This durable block paving sealer is perfect for sealing block paving driveways and patios, offering superior protection as well as a matt finish. Easy application with a sprayer or roller ensures quick and efficient coverage. Enjoy the benefits of this long-lasting block paving sealer for a stunning and well-protected outdoor space.
⚔️ HIGHLY EFFECTIVE WEED INHIBITOR FOR BLOCK PAVING - Protect your block paved driveways and surfaces with the effective protection of Smartseal Block Paving Sealer. This concentrated, high-performance sealer creates a durable barrier, offering excellent protection against oil spills and various stains. Keep your driveways looking pristine and free from contamination with this advanced driveway sealer specifically designed for block paving.
🌦️ WEATHERPROOF AND DURABLE - Smartseal Block Paving Sealer provides Long Lasting and Durability, ensuring your block paving can withstand various weather conditions and even the worst oil spills! Whether it's heavy rain, scorching heat, or freezing temperatures, this protective sealer for block paving remains effective, keeping your driveway or patio always looking great.
✅ RECOMMENDED BY EXPERTS - Trusted by professionals, Smartseal Block Paving Sealer is a Proven and Reliable Acrylic Block Paving Sealer that delivers exceptional results. This best block paving sealer is specially formulated to enhance the appearance of your block paving, providing a long-lasting protective barrier. With its advanced formulation, Smartseal Block Paving Sealer offers excellent resistance against oil stains, surface damage, and weathering.
⭐ EXCELLENT COVERAGE - Smartseal Block Paving Sealer offers impressive coverage for your block paving project. With a coverage rate of 2m² per litre for the first coat and 3.5m² per litre for the second coat, you can efficiently seal your driveway or patio. This means less product is required for more cost-effective results. For detailed instructions on how to apply the sealer, please refer to the "See More Product Details" section below.

Trade Supplies UK - Extreme Seal Patio & Block Paving Sealer - High Durability High Concenterate - Wet Look - 20 litre

Why We Love It

Durable protection against wear.
Repels stains and surface damage.
Enhances outdoor spaces' appearance.

Main Highlights

Long-lasting, Premium Protection: This sealer forms a durable coating on block paving and patios, protecting against wear, dirt, and stains. Perfect for outdoor areas exposed to the elements, maintaining a clean, well-kept appearance.
Deep-Penetrating Formula: Extreme Seal’s unique formulation repels water, oil, dirt, and fuel stains, preventing surface damage. It keeps your outdoor areas stain-free and enhances longevity, saving time on maintenance.
Inhibits Moss and Lichen Growth: Protects surfaces from moss and lichen, keeping your patios, driveways, and pathways clear of unsightly growth. Reduces maintenance and helps keep outdoor spaces safe and clean.
Premium wet-look finish: Achieve a beautiful wet-look effect that enhances the natural color of block paving and patios, giving outdoor spaces a fresh, high-end appearance that lasts.
Easy Application and Fast Drying: Apply with a brush, roller, or sprayer. Dries within 2-3 hours in summer conditions, offering reliable protection with minimal wait time. Ensure the surface is dry and clean before applying.

Everest Trade - Patio Sealer For Concrete Slabs And Flagstones - PU Resin Based Sealer - Satin Finish (Clear, 20 Litre)

Why We Love It

Revives original patio colour.
Protects slabs from UV fading.
Inhibits mould and algae.

Main Highlights

Enhances natural colours in pre-cast concrete and flagstones
Fully seals and protects patio slabs against UV light to prevent fading
Revives your old patio slabs to bring them back to their original colour
Resists oil and stain penetration
Durable, long-lasting sealer
Inhibits mould and algae growth
Average coverage of 4-6 square meters per litre

Enhances natural surface colours.
Offers long-lasting protection.
Versatile for multiple surfaces.

Main Highlights

Vibrant Wet Look & Colour Enhancement: This patio sealer revives faded, dull stone to its natural colours in paving slabs, Indian sandstone, limestone, concrete, and brick with a high-sheen, long-lasting professional finish.
Advanced Water & Stain Protection: Forms a breathable barrier that repels water, oil, moss, and algae, preventing green buildup and stains while allowing moisture to escape. Lower porosity surfaces cover 30m² per litre.
Durable & Weather Protection: Helps to prevent peeling, flaking, and fading over time. The breathable, water-based formula enhances natural and artificial stone, quarry, brick, concrete, and paving with a wet look finish.
Effortless Application: Easy to apply with a brush, roller, or sprayer, ensuring smooth, coverage, and quick absorption for a streak-free finish. The low-odour, water-based formula is ideal for both interior and exterior surfaces.
Trusted Brand: Professional Quality, DIY-Friendly, GLEAN is a leading name in premium paving sealers, trusted by homeowners, landscapers, and professionals for high-performance stone protection solutions that ensure lasting durability and beauty.

Floorseal Premium Surface Sealers & Cleaners

Floorseal Premium Granite Paver Sealer (5 Litre) - Water-based Polymer - Clear - Sealer

Why We Love It

Professional and DIY use.
Easy to apply.
Stain resistant and durable.

Main Highlights

PROFESSIONAL QUALITY: Granite impregnating sealer is suitable for professional and DIY use. Apply to porous granite pavers and tiles. Granite Paver Sealer has a particularly high polymer content so perfect for sealing porous granite. A fully breathable impregnating sealer, therefore allows moisture vapour transmission. Granite Paver Sealer will not alter the appearance of the material it is applied to. Interior or exterior use.
EASY TO APPLY: This granite paver sealer is easy to apply via sprayer, roller or brush. It is water-based, low odour and dries rapidly. Touch dry in approximately 30 minutes and is water repellent after 24 hours. This sealer has a lifespan of at least 4-5 years and can be reapplied when some porosity to the stone is noted. Apply the product twice, approximately 40 minutes to hour apart. Remove any excess (if noted) product after 20-30 minutes has elapsed after each application.
CAN APPLIED TO PAVERS WHICH HAVE JOINTED WITH: Traditional sand & cement mortars & grouts but also suitable for use with resin-based brush in compound and grouts. This sealer can be used as a pre-grouting sealer or applied as final seal to a surface which has already been grouted. Suitable for newly laid or older pavers and slabs.
STAIN RESISTANT & SOLVENT FREE: This effective granite sealer contains very high active resilient polymers. These durable polymers resist organic growth, water and oil-based staining and also retains a natural appearance to the stone. The application of this granite sealer helps your pavers, flagstones & tiled surfaces resist oil and water-based staining and inhibits organic growth. Granite Paver Sealer does not contain solvents or VOCs so is very low odour.
SUITABLE FOR USE ON: Porous granite pavers or slabs, sandstones, slate, Yorkshire stone flagged floors, travertine, limestone and more. Any porous surface where you do not wish to alter the appearance of the stone being sealed. But do wish to inhibit organic growth and repel liquid staining. Can be used on both interior or exterior pavers and tiles. Solvent, acid and VOC free. Water-based so an environmentally friendly option.
FURTHER INFORMATION: At the foot of the page.

Bond IT 25L Clear Drive Alive Patio Seal Paving & Patio Slab Sealer Solvent Free Easy Use Block Pavior

Why We Love It

Prevents oil and grease spills.
Enhances color and durability.
Solvent-free and UV resistant.

Main Highlights

Protects block paving driveways and pathways and patios against water penetration as well as spillages of contaminants, such as oil and grease.
A solvent‐free, acrylic liquid used to seal and protect patios, paths, natural stone, concrete and block paving from sunlight, water, oil, petrol and fungal growth.
It will also deter dirt and grime build-up and will enhance both the present colour of the paths and greatly extend the lifespan of the driveway.
Improves water resistance and UV resistance.
Retards mould growth & solvent‐free formulation.

Everest Trade - Patio Sealer For Concrete Slabs And Flagstones - PU Resin Based Sealer - Satin Finish (Clear, 5 Litre)

Why We Love It

Enhances your patio's natural beauty.
Protects against UV fading damage.
Revives and restores original color.

Main Highlights

Enhances natural colours in pre-cast concrete and flagstones
Fully seals and protects patio slabs against UV light to prevent fading
Revives your old patio slabs to bring them back to their original colour
Resists oil and stain penetration
Durable, long-lasting sealer
Inhibits mould and algae growth
Average coverage of 4-6 square meters per litre

Patio ColourSeal - Colour & Restore Old Concrete Paving Slabs, Durable Paint & Sealer - Easy to Apply, Patio Paint & Protective Sealer (Black - 5 L)

Why We Love It

Transforms your patio's appearance.
Durable protection against weather damage.
Easy, ready-to-use application.

Main Highlights

🏞️ TRANSFORM THE LOOK OF YOUR PATIO - Enhance and protect your patio with our high-quality Patio Sealer. Specially formulated as a durable patio sealant, it provides long-lasting protection for your paving slabs. Whether it's precast concrete or other types of paving, our versatile patio sealer is suitable for most surfaces. With our easy-to-apply patio slab sealer, you can effortlessly maintain and preserve the beauty of your outdoor space.
🛡️ DURABLE PROTECTION FOR OUTDOOR SPACES - Specifically formulated to withstand the elements, our premium patio sealant provides long-lasting durability and resilience. From patios to pathways, our versatile product acts as a barrier, preventing water damage, staining, and wear. Offers superior performance compared to a patio paint. Enjoy peace of mind knowing that our path and patio seal offers superior protection against weathering and heavy foot traffic.
🎯 READY-TO-USE & LONG-LASTING PROTECTION - Ready to use straight from the tin, it saves you time and effort during application. No need for complex preparations or additional mixing. Our high-quality patio sealant is designed for hassle-free use, ensuring a seamless and straightforward process. Achieve professional-level results without the hassle.
✨ REVITALISING PATIO SEALANT - This powerful product is specifically designed to transform the look of old concrete paving slabs, breathing new life into worn-out surfaces. Say goodbye to dull and weathered patios, and hello to a refreshed and rejuvenated outdoor area. Our coloured patio sealant and concrete patio paint provides a protective barrier that enhances the appearance and durability of your patio paving, ensuring long-lasting beauty.
🎨 PERSONALISE YOUR PATIO WITH VIBRANT COLOURS - Discover our exceptional Patio Sealant and Paving Sealer with a wide range of colour options. Customise and enhance your outdoor space with the perfect shade that suits your style and preferences. With our patio sealant's versatility and colour options, the possibilities are endless. Improve the look of your outdoor spaces with our superior concrete patio paint and enjoy a patio or paved area that stands out from the rest.

EASYSeal - Porcelain Sealer. Ready to Use Tile & Paving Sealant. 3L Tile Sealer for Floor, Wall, Paths & Patio. Waterproof PorcelainFloor and Wall Sealant.

Why We Love It

Long-lasting protection for tiles.
Repels water, oil, grime.
Easy to apply sealant.

Main Highlights

TILE & PATIO SEALER: The EASYSeal porcelain paving seal utilises a professional-grade formula that delivers long-lasting protection and helps keep porcelain paving and tiles looking their best. Our outdoor sealant produces an invisible layer which repels water, oil, grease and grime whilst resisting the growth of algae and moss.
STRONG: EASYSeal Waterproof Porcelain Sealer can be applied to any unglazed porcelain paving or tiles and is perfect for use on floors, walls, paths or patios. The non film-forming breathable technology repels oil, grease and water, while also resisting algae and fungal growth.
HOW TO USE: Our outdoor sealant is easy to use. Simply brush away leaves and debris, shake well before use, and apply an even coat with a paint pad, roller or garden sprayer. Mop up the excess to avoid pooling. Water repellence and stain resistance begin once the product has dried but may take up to 7 days to reach maximum performance.
LARGE TUB: Each tub has 3L ready mixed porcelain patio sealer, with coverage up to 36m2 based on one coat depending on surface porosity. Our waterproof sealant keeps joints cleaner and is pet-safe once dry.
ABOUT US: At Azpects Ltd, we specialise in developing and manufacturing products to create and maintain outdoor hard-landscaping. Our mission is to deliver products that make typical construction and care challenges EASY and less frequent.

T A Paints Ltd 5L Heavy Duty Concrete Floor & Garage Paint 3 in 1 Primer Sealer Protects Industrial Factory 1K Polyurethane Coating (Clear Sealer)

Why We Love It

Highly durable and long-lasting.
Quick drying for minimal downtime.
Versatile for multiple surfaces.

Main Highlights

3 in 1 Concrete Floor Primer & Dust Sealer Floor Paint: Acts as a dust sealer, reducing dust accumulation on the floor surface. Also functions as a primer for unpainted concrete floors, improving adhesion and longevity of subsequent coatings. Part of our new innovative 3 in 1 prime seal & protect floor paint.
High Gloss Finish Quick Drying Floor Paint: Provides a glossy appearance, enhancing the aesthetic appeal of the floor surface, that allows for faster application and turnaround time, reducing downtime, touch dry in 2 hours.
Heavy Duty Universal Polyurethane Floor Paint: Offers excellent durability to wear and tear, and good chemical and weathering resistance.
Concrete Garage Floor Paint: Specifically formulated for concrete garage floors, providing a protective coating that withstands light to medium traffic.
Multipurpose Applications: Can be used in various settings, including home garages, industrial factory, walkways, warehouse floors, steps, concrete slabs, edging stones and bricks.
Chemical Resistance: Protects against spills and stains, offering chemical resistance for added durability & Protection.
Suitable for Various Substrates: Can be applied not only on concrete but also on metal, wood, brick and stone surfaces.
Easy to Clean: Facilitates maintenance with its smooth surface, allowing for easy cleaning of dirt and spills.
Outdoor Patio and Slab Floor Paint: Provides good weathering and UV resistance, making it perfect for outdoor external uses such as concrete slabs and wood walkway applications.
Proudly maunfactured in England by B.C Paints Ltd. Please note images and product titles are for advertising purposes only, tins are supplied in bc paints cans or plain white for 0.5, 1 and 2.5, and occasionally 5 litre cans

8.7

Excellent

We scanned 320 products

We reviewed these offers relevant to the Patio Slab Sealer Clear within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like SmartSeal, TRADE SUPPLIES UK, Everest Trade Paints, GLEAN, Floorseal Premium Surface Sealers & Cleaners, ARA CHOICE, Azpects, T A Paints Ltd, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Patio Slab Sealer Clear in the market, we considered we took a deep dive into 1601 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Smartseal Block Paving Sealer - Matt Finish - Easy to Apply, Block Paving Sealant. Durable Sand Hardener & Weed Inhibitor – Best Block Paving Sealer for Driveways, Paths & Patios (4 x 5 Litre). We love many things about this product by SmartSeal. What sets it apart from the competition is Exceptional performance and durability, Effective weed and stain protection, Enhances block paving appearance.
The best value product for most shoppers and where user satisfaction is continuously the highest is Trade Supplies UK - Extreme Seal Patio & Block Paving Sealer - High Durability High Concenterate - Wet Look - 20 litre by TRADE SUPPLIES UK based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Patio Slab Sealer Clear and the best cost-to-value ratio is T A Paints Ltd 5L Heavy Duty Concrete Floor & Garage Paint 3 in 1 Primer Sealer Protects Industrial Factory 1K Polyurethane Coating (Clear Sealer)at T A Paints Ltd with a % discount.
Our list of the best Patio Slab Sealer Clear is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Patio Slab Sealer Clear in The UK

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We scanned 320 products

We concluded that: