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Spray Foam Insulation Requires Special Care and Attention

April 20, 2015

The growth of spray foam insulation has been exponential in the last few years. It's because so many homeowners are demanding the installation, and so many contractors and renovators are recommending the product. But along with the growth and popularity come some "shock" stories, and many of these are related directly to substandard workmanship or a second-rate application. The whole adventure can become stressful, and quite often costly. Whatever the case - a bad installation or deficiency with the product - a resolution is required, and the situation needs to be rectified. Unfortunately, these situations are usually related to the contractor, and needless to say, its chancy and risky to hire a contractor based on a low price quotation. Simply put, spray foam insulation requires in-depth experience and expertise, and that encompasses BOTH the product AND the installation. A reputable insulation company will provide installers who are trained in handling spray foam compounds, and proficient in the nuances of installation. That same company will also offer a trusted manufacturer's warranty for the product being installed, and a company guarantee on all the work being performed. Needless to say, it's also important for the company and their installers to be fully protected with the right kind of insurance. For the average homeowner, it's important to pay careful attention to information that comes from industry specific associations. With spray foam insulation, for instance, the association naturally wants to validate their products, while assuring the consumer of industry integrity. They also want to ensure that installation contractors are trained and qualified. And finally, they want to maintain the highest standards of quality for both product and installation. For the homeowner, professionally installed spray foam insulation is a superb insulating option with many benefits. The cost of heating and cooling from one season to the next is significantly reduced. R-values are substantially boosted. And finally, air and moisture movement are both controlled and balanced, resulting in better air circulation. Indeed, for many homeowners, the spray foam application can result in a higher sale price for the home. As usual, it's best to be well informed - it will result in better decision-making, especially when picking and choosing a reputable, reliable company contractor. And with spray foam insulation the right contractor is key. The product and application will perform at maximum capacity only with a proper install. It means going professional, with a team that understands the uniqueness of the spray foam product, and the complexities of installation. Spray foam insulation is expensive when compared to other insulation products. But it's the best product on the market. It will deliver results, both short term and long term. It will pay for itself over the long-term. It's an application that will last a lifetime, and won't need to be replaced or replenished. And best of all, the payback period is reasonable at between 2 and 7 years - it makes the initial cost and investment well worthwhile.

Western Ontario

935 Keyes Drive
Woodstock, Ontario
Canada N4V 1C3

Phone: 1-800-265-1914

Fax: (519) 539-7946
TOLL FREE: 1-800-265-1914

Muskoka, Haliburton, Northern Ontario

1027 Elwell Park Road
Gravenhurst, Ontario
Canada P1P 1R1

TOLL FREE: 1-800-265-1914

Central Ontario

29 Ferndale Industrial Drive
Barrie, Ontario
Canada L4N 9V5

TOLL FREE: 1-800-265-1914

Greater Toronto Area

2 Guided Court
Etobicoke, ON
M9V 4K6

TOLL FREE: 1-800-265-1914

GTA East

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.

Homestars Best of 2021 Award

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.

Homestars Best of 2022 Award

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

Trusted for Over 40 Years

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

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.

Foam Masters

Do it right the first time
- with foam mastersTM

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.



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.


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).

Holmes and Holmes

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.

As Seen on Love It or List It

The GNI crew have been featured installing insulation on Love It or List It - have you seen our logo in an episode?

Climatizer Cellulose


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.

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