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."