Batt insulation is an effective and affordable type of home insulation. With a proper install it is capable of making tremendous improvements to your home. Batt insulation can be installed in many...
This article details how to insulate basement walls in Ontario for both new home construction and retrofits. While DIY insulation can be effective in some scenarios, GNI strongly recommends that you...
When it comes to Ontario home insulation, you may have a lot of questions. The purpose of this article is to help you better understand your options for home insulation in Ontario and to answer the...
Blown in insulation is a versatile product that can be used throughout a home. It is able to improve energy efficiency, home comfort, and lower utility costs. Today we are going to look at two of the...
An effective fibreglass insulation install can improve your home’s energy performance, comfort, and utility cost. With professional help you can be sure that using fibreglass insulation is the right...
When you are installing insulation, it is important to know that there are different types that can be used throughout the house. Technically speaking, there are some pros and cons between each type,...
103 North Port Road Port Perry, Ontario Canada L9L 1B2
TOLL FREE: 1-800-265-1914
South Central Ontario
450 Industrial Dr,
Toronto (Milton), Ontario
Canada L9T 5A6
TOLL FREE: 1-800-265-1914
Eastern Ontario
1035 Moodie Dr #1, Nepean, ON K2R 1H4
TOLL FREE: 1-800-265-1914
Niagara Region
25 Lincoln Ave St. Catharines, ON L2P 2C7
TOLL FREE: 1-800-265-1914
Great Northern Insulation - Better Business Bureau Profile.
Best of 2021
HomeStars has ranked Great Northern Insulation as a company that goes above and beyond in every aspect of business for the year of 2021.
Best of 2022
HomeStars has ranked Great Northern Insulation as a company that goes above and beyond in every aspect of business for the year of 2022.
GNI is the Authorized & Trusted Insulation and Air Sealing Installer for Lowe’s
Energy Saving
Energy saving and energy efficiency is easier than one might think. Great Northern Insulation helps to identify performance issues, while taking advantage of improvement opportunities.
100% Canadian
Great Northern Insulation is recognized as Canada's largest full-service insulation contractor. GNI is 100% Canadian owned, proudly serving Ontario customers since 1980.
Do it right the first time - with foam mastersTM
WALLTITE® ECO™ is a high-performance system, professionally installed by certified and approved specialists. Its C.C.M.C. approved (Canadian Construction Materials Centre) - with product quality guaranteed - and with installation by highly trained experts with the technical know-how to do the job right, the first time.
Insulthane® Extreme
For the ultimate in high performance spray foam insulation, Insulthane® Extreme is the professional choice for residential, commercial, and industrial application. With improved thermal performance over other products, Insulthane® Extreme has an exceptionally low Global Warming Potential (GWP). Considered environmentally friendly, this next generation spray foam insulation is non-ozone depleting, and exceeds specifications of other HFC product alternatives.
3MTM products.
Quality + Performance = Savings
3MTM energy-saving products are designed to keep warm air in, and cold air out, while keeping energy bills down. Products optimize energy efficiency in buildings and homes; improve indoor environment for occupants; and effect the reduction of seasonal energy costs. 3M products are authorized for LEED credits (Leadership in Energy/Environmental Design).
Baeumler ApprovedTM
Professional, Certified and Insured
Baeumler ApprovedTM gives you peace of mind when connecting with contractors, trades and home service providers. All Baeumler Approved members have demonstrated high quality work for customers and other trade professionals. Members must also have Workers Compensation, liability insurance of at least $1,000,000 and prove professional certification.
Holmes and Holmes
Mike Holmes and his son Mike Jr. (MJ) convert MJ’s bachelor bungalow into a two-storey home for MJ and his girlfriend Lisa. Choosing the newest materials and build techniques, the father and son team follow Mike’s famous motto – “Make it right.” The show can be watched on HGTV and DIY Network.
Enbridge Incentives
The Home Efficiency Rebate Plus program offers up to $10,000 in home reno rebates – and Great Northern Insulation can pave the way.
Great Northern Insulation proudly abides by a renovation-specific Code of Conduct set by RenoMark™.
We are Verified & Bonded by eRenovate. When you choose to proceed with our services through their platform, you receive the gaurantees set forth through their program.
The GNI crew have been featured installing insulation on Love It or List It - have you seen our logo in an episode?
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