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Great Northern Insulation


Call us: 1-800-265-1914

Comfort and energy efficiency don’t need to be an afterthought. Established in 1980, Great Northern Insulation is a full service building envelope contractor that doesn’t rest until we find the best products and services to suit your needs. Whether you are renovating or building a brand new home or cottage, our professionals treat your project the way it should be – custom.

There is more to insulation than just adding insulation. You will always feel the benefits of properly installed insulation. Our expert applicators know how to add extra comfort and savings on your energy bills. We can also air seal your home or cottage to make sure conditioned air stays inside.

100% Customer Satisfaction Guarantee. Air sealing and insulation helps keep the temperature the same in every room. That means less noise from the furnace and AC turning on and off. Less noise plus better soundproofing means you can finally enjoy the comfort of peace and quiet.

We don’t just meet building codes. We make sure you get the most out of them. We serve all of Southern Ontario, and know what is required wherever the project is.

Here are just some of our services:

  • Attic insulation
  • Crawlspace insulation
  • Basement insulation
  • Spray foam insulation
  • Retrofit drill and fill
  • Blown-in insulation
  • Insulation removal
  • Radon protection
  • Air sealing
  • & more!

We work with more than homeowners and homebuilders. We also help general contractors, business owners, facility owners and farmers find and install the products that fit their needs.

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