Lafarge Canada Shifts St-Constant to OneCem

Lafarge Canada completed another important milestone in the company’s commitment to drive both sustainable and innovative products – the full transition of production from traditional general-use cement to OneCem at its St-Constant plant in Quebec.

OneCem is a limestone-blended cement manufactured using less clinker than traditional portland cement. By converting the St-Constant plant’s production to OneCem, Lafarge Canada projects a reduction of about 60,000 tonnes of CO2 emissions in 2024. 

“With this transition, we are not only reducing our carbon footprint but also aligning with our organization’s drive to be a leader for sustainable construction throughout Eastern Canada,” said Andrew Stewart, vice president of cement, Lafarge Canada (East). “This is a significant development, and we are eager to contribute to the realization of a net-zero future.”

The St-Constant plant has been at the forefront of driving sustainability and innovation in cement production in Quebec for many years. Building upon its achievements in carbon reduction, the plant has implemented initiatives such as circularity through ECOcycle, as well as collaborating with organizations like CarbiCrete and Patio Drummond to facilitate the production of zero-carbon concrete. 

By exclusively offering OneCem for general use from its St-Constant cement plant, Lafarge is not only contributing to environmental sustainability but also empowering customers to diminish their own carbon footprint in the built environment.

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