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Spray Foam Insulation VS. Other Insulation Products

February 10, 2015

Spray foam insulation, also known throughout the industry as polyurethane foam, is regarded as the biggest advancement in energy efficient insulation in recent years.It's a state-of-the-art technology that delivers significant energy savings throughout the year, while providing an indoor living environment that is comfortable, quiet and healthy.Indeed, more and more professional contractors are realizing that no other product can deliver the kind of benefits that spray foam insulation delivers.

When properly installed, spray foam solves a number of issues that have plagued homebuilders, architects, and contractors over the years.A good install delivers the highest R-Value per installed inch than any other product.It provides a seamless, impermeable air and moisture barrier that needs no maintenance.It acts as a viable vapor barrier without the need to install a separate barrier.As such, it restricts the movement of moisture and helps prevent the buildup of mold and mildew.

The big payoff with spray foam is energy savings - and the savings are substantial, with heating and cooling costs being reduced from one season to the next.This is achieved because foam insulation restricts air infiltration.A good install seals up space from end to end, filling every opening and gap, every crack and crevice.There is no other product on the market that can seal as efficiently as spray foam.And the coverage adheres to everything, including all of those hard-to-reach spaces. spray foam insulation r value toronto

Traditional insulation products (like fiberglass batts and styrofoam panels) were designed to provide enhanced R-Value to a particular space, and don't do much else.So when a homebuilder or contractor considers today's challenges, the spray foam product is the one that delivers the most benefits, both short term and long term.No other product application can ensure the high standard of energy efficiency that spray foam brings to a residential home or commercial building.

Whether it's for new home construction, a renovation, or a retrofit, spray foam has a dramatic effect on energy consumption, and consequently on reducing energy costs.A good install can deliver up to 50% cost savings on heating and cooling.

Unlike other products, spray foam doesn't settle or shrink over the long run.It stays in place, lasts for a lifetime, and doesn't need replacement or replenishment like so many other products.It seals and insulates with one application.

Spray foam restricts moisture movement and prevents condensation from forming.It stops moisture from soaking into the insulation and avoids the need to install a separate poly vapor barrier.Again, better performance than other products.

In many cases, spray foam insulation can be considered eco-friendly.It doesn't emit CO2 - it reduces heating/cooling emissions - it contains no formaldehyde - and it has no ozone-depleting components.Overall, it also reduces energy consumption.

A spray foam installation also benefits indoor air quality.Air circulation is vastly improved; unwanted moisture is eliminated, and HVAC equipment starts to perform at its peak - it's a cleaner environment for those with allergies or other ailments.

It's no wonder that spray foam has become a favourite of professionals nationwide.

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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™.


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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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