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August 11, 2023
MONTREAL --With rapidly growing global population and urbanisation, embracing circular construction is essential to build a future that works for people and the planet.
Taking a bold step towards circularity and sustainable construction, Lafarge Canada, a member of Holcim group, announces the completion of the initial phase of its pilot project of ECOCycle Technology. Integrating concrete demolition materials into cement manufacturing at the St. Constant plant near Montreal, Lafarge Canada solidifies its position in North American circular construction innovation, showcasing its commitment to building new from old.
“By reusing construction and demolition wastes in the production of new building materials, we are reducing waste sent to landfill,” said David Redfern, president and CEO of Lafarge Canada (East), emphasises the significance of this pilot project, stating, “Across Lafarge Canada we’re evaluating any opportunity to decarbonize our operations and circularity is part of this effort. This pilot is critical to demonstrate that we can effectively repurpose concrete waste which goes a long way to conserve our naturally occurring resources and loops in construction sustainability - building new from old.”
In Canada, an estimated 10 million tonnes of construction & demolition waste is generated each year, with 4 million tonnes being concrete. Designing a process and proving its viability to reuse recycled concrete waste into our cement is another path to driving more sustainable cement manufacturing.
At the St. Constant cement plant, the usage of construction and demolition materials in cement production is being put to test in the Canadian environment. Supported by Geocycle Canada, a wholly owned subsidiary of Holcim, we efficiently collect and manage the processing of these materials. The project has integrated about 10,000 tonnes of old concrete and building demolition material into the manufacturing process for new cement over the past year. The cement produced during this phase of the project has proven to be of equivalent performance to traditional cement and meets all local requirements, including now successfully used by the Lafarge Canada concrete division for construction projects within the Greater Montreal Area.
“We are advancing our goal of creating a circular ecosystem for construction materials as well as offering a material impact on our CO2 footprint through utilising these lower embodied carbon materials as raw materials,” commented Andrew Stewart, vice president of Cement, Lafarge Canada (East).
About Lafarge Canada Inc.
Lafarge Canada is a subsidiary of Holcim, a global leader in innovative and sustainable building solutions. Driven by its purpose to build progress for people and the planet, its 60,000 employees are on a mission to decarbonize building, while improving living standards for all. The company empowers its customers across all regions to build better with less, with its broad range of low-carbon and circular solutions, from ECOPact to ECOPlanet. With its innovative systems, from Elevate’s roofing to PRB’s insulation, Holcim makes buildings more sustainable in use, driving energy efficiency and green retrofitting. With sustainability at the core of its strategy, Holcim is becoming a net-zero company with 1.5°C targets validated by SBTi.
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