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News Saint-Gobain’s Kootenay West gypsum mine achieves full-capacity production

Saint-Gobain’s Kootenay West gypsum mine achieves full-capacity production

Written by Global Gypsum staff
29 October 2025
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Canada: Saint-Gobain Canada has scaled up its Kootenay West, British Columbia, gypsum mine to full production capacity of 400,000t/yr. The mine supplies gypsum wallboard subsidiary CertainTeed Canada's Calgary and Vancouver plants. It has an anticipated operational lifespan of 40 years and employs 30 people. The mine will replace the role of the Windermere gypsum mine in Saint-Gobain Canada’s gypsum wallboard operations. The Windermere mine will continue to operate for another 15 years, supplying customers in the agriculture and cement sectors. The company first broke ground on the new mine at Kootenay West in 2019.

CertainTeed Canada has initiated permitting for the construction of a rail loadout at the Kootenay West mine. When commissioned, the facility will reduce the total annual distance of gypsum transported between Kootenay West and the company’s gypsum wallboard plants by 94% from 4.5 million kilometres to 250,000km.

CEO Jean-Claude Lasserre said "It is with great pride that we officially launch full operations of our Kootenay West gypsum mine in British Columbia, a strategic expansion of our presence in Canada, strengthening our operations to continue meeting the construction market demand.”

Last modified on 05 November 2025
Published in Global Gypsum News
Tagged under
  • SaintGobain
  • Canada
  • SaintGobain Canada
  • raw materials
  • CertainTeed
  • natural gypsum
  • Mine
  • transport
  • Rail
  • permit
  • Quarry
  • GGM69

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