Smartseal Premium Concrete Sealer - White - 2X5L

Providing superb protection against a range of unsightly horrors, this premium concrete sealer fro...

Best current price£117.95from B&Q

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B&Q - SmartsealPremium Concrete SealerConcrete SealantImpregnatingStain And Water Repellent10-Year Protection2X5L
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HomebaseSmartseal Premium Concrete Sealer 5L 2 Pack
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wilkoSmartSeal Premium Concrete Sealer - 5L 2 Pack - Clear Finish - 10+ Year Protection
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Product Information

Full details

This premium concrete sealer from Smartseal is designed for homeowners and professionals seeking robust, long-lasting protection for concrete surfaces, including walls, floors, and worktops. Its key benefit is providing superb resistance against stains, oil, and water by altering the substrate's chemical structure, all while maintaining the surface's natural look and breathability. A minor caveat is the recommended application method for best results, which might require specific tools.

All features

ColourWhite
Model Part Number5061002784386
BrandSmartseal

Extended Product Information

FAQs

How long does the protection last?

The Smartseal Premium Concrete Sealer is designed to provide protection for up to 10+ years, depending on the application and environmental conditions.

Can I use this sealer on painted concrete?

This sealer is designed for porous substrates. It is not recommended for use over existing paint, as it may not bond correctly and could peel. The surface should be bare concrete or a similar porous material.

Will the sealer change the color of my concrete?

No, this is a clear, impregnating sealer. It penetrates the surface to provide protection without altering the natural color or appearance of the concrete.

Is the product safe to use indoors?

Yes, the product is solvent-free and REACH compliant, making it safe for indoor use. It is also food-safe.

What is the coverage rate per litre?

The average coverage rate is approximately 5m² per litre. This can vary based on the porosity and texture of the surface being sealed.

How should I clean the sealed surface?

Routine cleaning can be done with water and a mild detergent. Avoid using harsh or abrasive cleaning agents.

What is the guarantee period for this product?

The product comes with a 6-month guarantee.

Can I apply this sealer to a damp surface?

No, for optimal performance and adhesion, the surface must be completely dry before application.

Troubleshooting

Uneven finish or streaking after application

This can occur if the sealer was applied too thickly or unevenly. Ensure consistent application. For minor issues on new applications, a light sanding may help once fully cured. For severe cases, removal and reapplication might be necessary.

Sealer not repelling water effectively

Check if the surface was adequately prepared and fully dry before application. Ensure the sealer was applied evenly and a sufficient amount was used. The sealer may need reapplication after several years of wear.

Surface remains porous and susceptible to stains

Verify that the correct product was used and applied according to instructions. Some highly porous substrates may require two coats. Ensure the sealer has fully cured before testing its protective properties.

White powdery residue (efflorescence) appears after sealing

Efflorescence is typically caused by moisture trapped within the concrete. Ensure the concrete is fully cured and dry before sealing, and that the sealer is permeable to allow vapor escape. If it appears after sealing, the issue may be with moisture ingress from below the surface, and the sealer may need reapplication once the moisture issue is resolved.

Pros and Cons

Pros

  • Provides long-lasting protection (10+ years).
  • Maintains the natural appearance of the sealed surface.
  • Offers excellent resistance to stains, oil, and water.
  • Suitable for a wide range of porous building materials.
  • Solvent-free and food-safe for user and environmental safety.
  • Easy application with common tools.

Cons

  • Requires proper surface preparation for optimal performance.
  • Coverage can vary depending on the porosity of the substrate.
  • Application via sprayer is recommended for best results, which may require specialized equipment.
  • Does not significantly alter the color or finish of the surface, which might be a con for those seeking a color change.

Setup, Compatibility & Care

Surface Preparation: Ensure the concrete surface is clean, dry, and free from any dust, grease, or previous coatings. For best adhesion and performance, allow new concrete to cure for at least 28 days. For existing surfaces, thorough cleaning might be necessary.

Compatibility: This sealer is compatible with concrete, brickwork, masonry, cement, and natural stone. It is recommended for both internal and external applications.

Application: The sealer is ready-to-use. For optimal results, apply using a garden sprayer, roller, or brush. Ensure even application across the surface. A second coat may be applied if necessary after the first has dried.

Coverage: Average coverage is approximately 5m² per litre. Actual coverage will depend on the porosity and texture of the surface.

Care: Once sealed, surfaces are easier to clean. Use water and a mild detergent for routine cleaning. Avoid abrasive cleaners that could damage the sealed surface.

Drying Time: Allow the surface to dry thoroughly before allowing foot traffic or placing items on it. Refer to the product packaging for specific drying times.

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