About

Great Northern Insulation (GNI), founded in 1980, has grown to become the largest insulation contractor in Ontario. Our 30 years of experience, make us one of the most knowledgeable insulation contractors there is! We now want to share this knowledge with you, and for this reason we have created Great Northern Insulation’s official Blog page.

Our blog topics will focus on the following:

• Insulation industry news and events
• Insulation tips and Q & A features
• Government policies, programs and events affecting the insulation industry
• Environment & Sustainability
• EcoEnergy and energy audits

Help us improve

Post comments on blog posts, and let us know what you think; your opinion is valuable to us!
If you have questions, feedback or topics you would like for us to discuss, feel free to email us. You can also post feedback and questions on our Twitter and YouTube accounts. Or simply leave a comment in the box below. Thanks !

Great Northern Insulation New Construction Retrofit

Contact Information:

Toll Free: 1-800-265-1914
Email: customercare@gni.ca
Web: www.gni.ca
Twitter: @GNInsulation
YouTube Channel: GNInsulation

If you prefer snail mail:

Great Northern Group
935 Keyes Dr
Woodstock ON
N4V 1C3