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CONCRETE PRODUCTS & CAST STONEwww.cpi-worldwide.com CPI %u2013 Concrete Plant International %u2013 1 | 2026 107machines. As a pioneer in the grinding market, the French manufacturer now offers a comprehensive and high-performance range of fully integrated grinding machines with cycle times shorter than those of presses. Currently, around fifty machines are in service in Europe and around the world.The grinded block, a sustainable solution for reducing the carbon footprint of building systemsThe machining of conventional or formwork concrete blocks, including on two sides (patented system), is carried out in line between the descender and palletising. The grinding cycle time (12 to 16 seconds) is compatible with the speed of the block machines, without slowing them down. The machines are soundproofed and equipped with an efficient and effective dust extraction system. With a machining accuracy of less than 0.3 mm, the grinded blocks can then be assembled using a very thin horizontal adhesive joint, replacing mortar.In addition to their mechanical and thermal advantages, grinded blocks have a reduced environmental footprint.On the one hand, adhesive installation offers optimised environmental performance compared to masonry installation: construction sites are faster (30% increase in productivity), cleaner (less cluttered workstations, less rubble, no mortar spillage, better waste management) and quieter (no concrete mixers). This installation system can generate up to 90% water savings on site and 40% fewer lorry trips.Furthermore, adhesive replaces masonry mortar, the manufacture of which generates high CO2 emissions. Finally, the insertion of mineral foam into the grinded block increases its fire resistance and its acoustic and thermal insulation capabilities.The automated grinding and palletising system at the Ch%u00e2teauneuf siteThe Garandeau Group's decision to purchase the grinding machine for its concrete prefabrication plant was made in Spring 2024. Designed and installed by Quadra, it was commissioned in January 2025.The concrete block grinding and palletising unit at the Ch%u00e2teauneuf site combines cutting-edge technologies in robotics, machining and industrial automation. Designed to optimise productivity, it ensures both precision machining of the blocks and smooth handling on the production lines. The system is based on a Kuka KR 700 PA robot, a 4-axis model capable of handling loads of up to 700 kg, equipped with a removable quick-release pneumatic clamp. Two operating EFFICIENCY, VERSATILITY & INNOVATIONFrench Manufacturer of Automated Equipment for the Concrete IndustryTURN-KEY PLANTS%u00abHIGH PERFORMANCE%u00bb vibrating pressesSTATE-OF-THE-ART handling systemsTAILOR-MADE robotic solutionsQUADRA40 route de Findrol 74130 Contamine-sur-Arve France Tel. +33 4 50 03 92 21 www.quadra-concrete.comThe Precast ShowKansas City, USA4-6 February 2026UK Concrete ShowBirmingham, UK25 & 26 March 2026