10 Best Concrete Sealer 2025 in the UK

The Smartseal Imprinted Concrete Sealer offers comprehensive protection for patterned imprinted concrete surfaces like driveways and patios. It excels in providing a durable Silk/Wet look finish that both seals and enhances the appearance of concrete, helping to prevent cracks and surface damage. This sealer is particularly user-friendly as it can be applied using a natural hair broom, making it accessible even for those who aren't experienced in DIY tasks. With a coverage rate of 4 to 6 square meters per litre, depending on the porosity of the surface, it ensures efficient use of the product.

One of its standout features is its resistance to UV rays and chemicals, which is crucial for preventing colour loss over time. Additionally, it's designed to combat common outdoor issues like algae, dirt, moss, and lichens, maintaining the concrete's aesthetic appeal. Smartseal provides excellent customer support, which can be helpful if users require guidance or have questions about the product.

While the sealer offers a durable finish, the 'wet look' may not be to everyone's taste, as some may prefer a more matte appearance. The product is specifically tailored for patterned imprinted concrete, which may limit its versatility on other types of surfaces. The inclusion of anti-slip additives is recommended, which indicates potential slipperiness after application, posing a safety consideration. Smartseal's concrete sealer is a robust option for those seeking long-lasting protection and aesthetic enhancement of outdoor patterned concrete surfaces, with ease of application being a major plus. However, users should consider their finish preferences and safety needs when choosing this sealer.

The Raincheck Water Seal 5 Litre is a versatile and eco-friendly waterproofer suitable for brick, stone, mortar, and concrete surfaces. Utilizing silicone hydrophobic technology, it creates a breathable, colourless barrier that effectively repels water while allowing the substrate to breathe. This feature is particularly advantageous for maintaining the natural appearance of the treated surfaces while providing protection from water damage and frost.

The low VOC content and solvent-free formula are environmentally friendly, emitting little odour and presenting minimal health risks during application. The product is also UV-resistant, adding to its long-term durability and stability against corrosion and de-icing salts. Users will appreciate its versatile application methods, as it can be applied with a brush, roller, or sprayer, and effectively covers hairline cracks.

The RESIBLOCK Superior Matt - Paving Driveway Sealer is a polyurethane-based sealer designed specifically for paving and driveways. It provides a natural matt finish, appealing to those seeking to avoid a glossy look on their concrete surfaces. The sealer comes in a package of 5 x 5 litre cans, totaling 25 litres, making it suitable for larger projects or repeated applications.

Known for its durability, it offers long-lasting protection against wear and tear, weather conditions, and staining, which is a significant advantage for outdoor use. The application method is straightforward, generally involving a brush or roller, making it accessible for DIY users. However, it is advisable to check the specific instructions to ensure proper curing time to maximize effectiveness.

Delivery is limited to mainland UK, which could be a drawback for users outside this region. Customer reviews are largely positive, with a 4.4 out of 5-star rating from 194 reviews, indicating general satisfaction with the product’s performance. This sealer is well-suited for homeowners and DIY enthusiasts looking for a durable, natural-looking finish for their paving and driveway projects.