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Equipped with a profile that pairs with a standard HB1 kerb stone, this ACO KerbDrain HB405 Half Battered Perforated Centre Stone unit is another excellent product within ACO's range of durable and flexible KerbDrain two-in-one kerb and drainage solutions. Rising to the challenge of surface water projects, KerbDrain incorporates optimal sustainability with durability and versatility, an ideal starting point for water management projects. Whether it's bus stops, dropped kerbs or round sweeping surfaces like roundabouts, there's always a KerbDrain unit suited to your project. This HB405 Half Battered Perforated Centre Stone unit is a 'centre stone' designed to sit flush on pedestrian crossings and prevent dangerous pooling. The 405 range overall is a fantastic option for draining large catchment areas, bridging the hydraulic gap between the 305 and 480 half-battered range for improved drainage designs.Features & Benefits: ACO KerbDrain HB405 Half Battered Perforated Centre Stone 25mm Upstand, Suitable for C250 and D400 Loading, Impact resistance 50% higher than OPC kerb units, Crafted from sustainable material without forfeiting strength, SUDS compliant and certified for all highway applications, Offers an award-winning one-piece design and simple watertight installations, Safe manual and mechanical handling alongside a high daily installation rate, 1000mm length x 150mm width x 305mm depth, 280mm invert, 59.00kgs weightCrafted from sustainable materials without forfeiting strength, the KerbDrain range of drains provides a 50% higher impact resistance than standard OPC kerb units, an advantage for high-traffic, long-term urban projects. With the relevant certification for all highway applications, units elevate applications from installation with high strength and long service life. Stemming from the award-winning one-piece design, the admirable high-impact resistance and longevity boost system impact, elevating hydraulic performance and erasing failure points. Fully Sustainable Drainage Systems (SuDS) compliant, units offer safe manual and mechanical handling, as well as high daily installation rates.. ACO KerbDrain HB405 Half Battered Perforated Centre Stone 25mm Upstand Concrete