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Address & Contact

935 Keyes Drive
Woodstock,ON  N4V 1C3
Phone: 800-265-1914
Email: mclark@gni.ca
Contact: Mandy Clark

http://www.gni.ca

About Great Northern Insulation

Great Northern Insulation began serving Southern Ontario in 1980, today we have five locations throughout Ontario offering:

  • Spray foam insulation, blown-in attic insulation, and sprayed-in-place acoustic and fireproofing fibres.
  • Certified thermographic services.
  • Trained blower-door technicians.
  • Forensic building science capabilities.
  • EnergyStar trained sales staff.
  • Manufacturer trained and certified installers.
  • Over 160 fulltime employees; 8 field superintendents providing pre and post-inspection services.
  • A dedicated Customer Care department.

We firmly stand by the statement that "There is more to insulating than just adding insulation."