What Type of Insulation Should I Choose?

The whole idea behind home insulation is to measurably improve energy efficiency. For Great Northern Insulation, it means recommending an insulation product and installation method that will deliver the best long-term mileage for the homeowner. The professionals at GNI install only high quality insulation products, with workmanship that is unequaled. Everything is warrantied, along with an assurance of customer satisfaction on every job, regardless of size.

One of the insulation options available from Great Northern Insulation is blown insulation. It’s available in cellulose or fiberglass, and when installed to code, provides satisfactory insulation results. This insulation is blown into an empty cavity like the attic, where it covers uniformly and even reaches into those hard-to-reach areas. Blown insulation provides satisfactory R-Values and is one of the most cost-effective installations in terms of project investment.

Another option from Great Northern Insulation is fiberglass batt insulation. These are typically installed in the attic and basement, and are manufactured to be non-combustible and moisture resistant. Fiberglass batts do not invite animals or insects, and with a professional installation will deliver good product life. With proper air sealing and ventilation, fiberglass batt insulation performs well, and offers satisfactory R-Value throughout the installation space.

All things considered,the best insulation product on the market is Spray Polyurethane Foam. For professional installers, SPF is the product with the highest performance by far. As experts in the industry, Great Northern Insulation recommends the SPF application for many parts of the home. Spray Polyurethane Foamprovides more benefits than other products – it makes a space totally airtight; it’s an air barrier and vapour barrier combined; and it provides far better R-Value than other comparable products. SPF is also highly compatible with other insulation products, giving GNI the flexibility of installing SPF alongside another product as a combination install.

Proudly Serving all of Southern Ontario

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

Over 40 Years in Business

At GNI, we service your project with the most experienced staff in the industry. Ongoing professional development is an obsession at GNI and we will not compromise at any level to bring to our customers the very best Installers, Sales Representatives, Customer Care Personnel, Field Superintendents, Estimating and Technical Support to your project.

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 masters^TM

January, 2021 regulatory phaseout of hydrofluorocarbons (HFCs) with the introduction of WALLTITE CM01. Using hydrofluorolefins (HFOs) with lower global warming potential (GWP) compared to HFCs, WALLTITE CM01 is the next generation of spray foam insulation.

Huntsman HEATLOK® SOYA HFO™

Heatlok® Soya HFOTM leverages Honeywell’s latest Solstice® Liquid Blowing Agent technology. This new hydrofluoroolefin (HFO) blowing agent is the most environmentally conscious blowing agent produced to date, with a zero ozone depletion potential (ODP) and a global warming potential (GWP) of 1, which is more than two orders of magnitude (99.9%) lower than HFCs used in this industry.

3M^TM products.
Quality + Performance = Savings

3M^TM 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).

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?

Climatizer

CLIMATIZER PLUS cellulose insulation is manufactured from a minimum of 85% locally-sourced post-consumer recycled newsprint. Non-toxic additives are applied to the uniquely fiberized paper generating a building material with superior thermal and acoustic properties, as well as exceptional resistance to fire, moisture, mould and pests.

What Type of Insulation Should I Choose?

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Proudly Serving all of Southern Ontario