Media Advisory: Saint-Gobain Canada to Inaugurate First Zero-Carbon (Scope 1 & 2) Gypsum Wallboard Plant in North America and Largest Worldwide

MONTREAL--(BUSINESS WIRE)--Saint-Gobain Canada, leader in light and sustainable construction, will host an official ribbon cutting ceremony on September 26, 2025 to commemorate CertainTeed’s Sainte-Catherine gypsum wallboard plant expansion.

This event comes following two years of innovative and sustainable upgrades to make it the first zero-carbon (scope 1 & 2) gypsum wallboard plant in North America and the largest in the world, with the support of Quebec’s government EcoPerformance program and using 100% renewable energy from Hydro-Québec.

WHAT:	Ribbon cutting ceremony of North America’s first zero-carbon (scope 1 & 2) gypsum wallboard, press conference and facility tour
WHO:	Jean-Claude Lasserre, CEO, Canada, Saint-Gobain
	Mark Rayfield, CEO, Saint-Gobain North America
	Julien Perrier, VP, Manufacturing, CertainTeed Canada
	Caroline De Vit, Senior Director, Business Development and Performance, Hydro-Québec
	Jocelyne Bates, Mayor, Sainte-Catherine
	Jacques Ramsay, Member of parliament, La Prairie - Atateken
WHEN:	Friday, September 26, 2025
	8:30am: Doors open
	9:00am: Press conference and ribbon cutting ceremony
	10:00am: Plant tours
WHERE:	CertainTeed Sainte-Catherine, 700 1ère avenue, Sainte-Catherine, QC J5C 1C5

MEDIA RSVP:
Please confirm attendance by September 23, 2025 to:

Alexandre Lainesse
Public Relations Manager, Canada, Saint-Gobain North America
[e-mail]
514-973-1187

ADDITIONAL INFORMATION:
Please access temporary parking lot by the Shipping and Receiving entrance on 1ère Avenue. A press kit will be available to download following the press conference event. Exclusive plant tours and media interviews will be possible on-site.

About Saint-Gobain

Worldwide leader in light and sustainable construction, Saint-Gobain designs, manufactures and distributes materials and services for the construction and industrial markets. Its integrated solutions for the renovation of public and private buildings, light construction and the decarbonization of construction and industry are developed through a continuous innovation process and provide sustainability and performance. The Group, celebrating its 360th anniversary in 2025, remains more committed than ever to its purpose “MAKING THE WORLD A BETTER HOME”.

€46.6 billion in sales in 2024

More than 161,000 employees, locations in 80 countries

Committed to achieving net zero carbon emissions by 2050