Great Northern Insulation

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450 Industrial Dr
Milton, ON L9T 5A6
+1 (905) 693-1990
https://www.gni.ca

Great Northern Insulation (GNI) is a leading insulation contractor based in Milton, Ontario, with over 40 years of experience in providing insulation solutions for residential, commercial, and agricultural projects. The company is 100% Canadian-owned and is recognized as Canada's largest full-service insulation contractor, committed to building safer, more energy-efficient, and sustainable communities.

GNI offers a broad range of products and services, including advanced insulation materials and energy-saving solutions, while ensuring customer satisfaction through ongoing professional development and a dedicated team of experts. The company is also an authorized installer for Lowe's and adheres to a renovation-specific Code of Conduct set by RenoMark, reinforcing its commitment to quality and reliability in every project.

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