Cementone 20kg Waterproof Tanking Slurry Bucket Grey is a high-performance cement-based waterproofing solution suitable for internal and external use. This grey tanking slurry forms a durable, flexible barrier against water ingress on concrete, masonry, and brick surfaces. Ideal for basements, cellars, swimming pools, and retaining walls, it is easy to mix and apply by brush or spray. The product provides long-lasting protection from damp and water penetration, making it an effective choice for structural waterproofing in both new builds and renovation projects.