6 Best Concrete Crack Fillers 2025 in the UK

The Fischer No Tools Just Hands Repair Filler offers a practical solution for minor repairs, particularly for those who want a straightforward application process. Its biggest advantage is the integrated scraper, which makes filling drill holes and mending cracks an efficient task without needing additional tools. The quick curing time is a bonus, as it means you won't have to wait long for repairs to settle.

This filler is specifically recommended for wood surfaces, which might limit its effectiveness on concrete or other materials. The 70ml size is convenient for small touch-ups but might not be sufficient for larger projects. Despite these considerations, the product enjoys a strong customer rating of 4.4 out of 5 stars from over 4,000 reviews, suggesting that many users find it reliable for quick, minor repairs.

This filler is ideal for quick, easy fixes on wood surfaces, making it a handy tool for DIY enthusiasts tackling small holes or cracks. Its ease of use and quick drying time are strong selling points, but if you're looking to repair concrete specifically, you might need to explore other options that guarantee better compatibility.

The Dortech Metolux Metoset Concrete Repair Resin is a strong and reliable concrete crack filler that comes in a convenient paste form, making it easy to apply. It is designed for both indoor and outdoor use, which adds to its versatility. The grey color of the resin should blend well with most concrete surfaces, providing a satisfactory color match for repairs.

Users have rated it highly, with a 4.6 out of 5 stars based on 199 reviews, indicating general satisfaction with its performance and ease of use. The resin's strong bonding capability makes it suitable for sealing joints and repairing cracks effectively.

The 480g weight is manageable, but for larger projects, multiple packages might be required. Additionally, it ranks reasonably well in its category, suggesting it is a popular choice among DIY enthusiasts and professionals alike.

Sika Sikaflex EBT+ is a versatile concrete-crack-filler with a 1-part polyurethane formula that is moisture curing and develops a skin in 70 minutes. It fully cures in about 24 hours depending on weather conditions, making it quite fast in terms of drying time. One of its notable strengths is its flexibility, boasting a 25% flexibility factor which ensures it remains elastic and resistant to water and rain, suitable for both indoor and outdoor use.

This product is also praised for its strong grab and non-slip qualities, which means it grips firmly and is ideal for various building works and gap filling on multiple substrates like concrete, brick, wood, metals, glass, and plastics. It is available in multiple shades including Black, Grey, Brown, White, and Beige, providing good options for color matching needs although it's important to note that it cannot be overpainted.

The application method is straightforward, being in spray form which should be easy to handle. However, it may not be the best choice for intricate or detailed work in crafts due to its spray nature. The item is well-rated with 4.6 out of 5 stars from customer reviews, indicating general user satisfaction. Weighing 300 grams, it is relatively lightweight and easy to use. This concrete-crack-filler is ideal for those looking for a durable, flexible, and fast-curing solution for sealing and filling gaps in a variety of materials.