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This ACO KerbDrain HB405 Half Battered Access Kerb Unit combines drainage and kerb solutions in one. It aligns with a standard HB1 kerb stone and features a handy rodding access hold for ease. It's dependable and durable, tackling various surface water drainage applications with sustainable materials and solid designs. Ideal for large catchment areas, the 405 range bridges the hydraulic gap between the 305 and 480 ranges for elevated drainage. Suitable for highways, car parks, and landscaping projects, it boasts 50% higher impact resistance than standard OPC kerbs. The robust one-piece design offers strength and performance, ensuring longevity. SuDS-compliant, these units are safe for manual and mechanical handling and certified for highway applications. Installation is quick, enhancing hydraulic performance and limiting failure. This unit is reliable for projects requiring sustainable and durable drainage solutions.. ACO KerbDrain HB405 Half Battered Access Kerb Unit - 500mm Concrete