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Insulation Removal in Ontario

October 09, 2020

Old insulation removal is an important part of maintaining and upgrading a house in Ontario. As insulation ages, it can settle and lose its performance while approaching the end of its long lifespan. It can also become damaged or contaminated - posing potential health risks to you and your family. By removing insulation in your home you are able to make upgrades easily and ensure that your family is well protected against any airborne health hazards that may be lurking

GNI is proud to offer our insulation removal services to all of Ontario. We provide free home insulation assessments to help homeowners determine where they stand on making upgrades and improving their home comfort. To get started with GNI, please fill out your contact details into the form below, and our Customer Experience Team will be in touch with you shortly. If you have any questions about insulation removal or home upgrades, the direct line for speaking with one of our team members is 1-800-265-1914. We look forward to hearing from you!

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Why Should Insulation Be Removed?

Insulation removal should occur for several reasons. It can become damaged by things like water or mould, it could be necessary to properly perform a new renovation, or it could simply be getting old enough that it no longer functions at its full potential. For attic insulation that was properly installed, the average life expectancy is between 20 to 30 years. If you are unsure of the age of the insulation in your home, a professional in-home assessment is the place to start. 

Insulation removal also allows for home upgrades such as air sealing to occur properly and effectively, as the entire space can often only be reached when the insulation has already been removed. This is an important step when improving or retrofitting a home, since airtightness plays a key role in home energy efficiency and comfort.. By removing insulation, any air leaks can be easily detected and completely sealed, creating an even more comfortable and energy efficient home. 

To summarize, the benefits of insulation removal include:

  • Lower risk of sick building syndrome
  • Improved air quality
  • Improved energy efficiency and comfort once new insulation is installed
  • Easier upgrades due to exposed wall cavities etc.
  • Better levels of air sealing can be reached
  • Lets you check on your current insulation quality via your initial inspection

Insulation Removal and Energy Efficiency

As mentioned briefly above, insulation removal can help you improve the energy efficiency of your home. As insulation ages it can lose performance or become damaged by water and / or uncontrolled airflow. To ensure that your home is as energy efficient as possible, you will want to ensure that you have healthy insulation and sufficient air flow. This means making sure that your home’s insulation is functioning properly and effectively. In fact, the first step of home insulation removal starts with an inspection of the insulation that is currently installed. To arrange for an insulation removal inspection, please call the GNI Customer Experience Team at 1-800-265-1914.

Where Can Insulation Be Removed?

Insulation removal can occur anywhere that insulation has been installed in your home. GNI are your experts for safe and clean insulation removal, with over 40 years experience operating in Ontario. When our technicians work to remove the insulation from a home, they use commercial equipment to ensure a safe, clean, and complete removal. This saves you from the worry of leaving a mess from a DIY job, and protects you and your family from any potential health hazards that could occur during removal.

How to Remove Attic Insulation

Attic insulation removal is but one important part of making energy efficiency upgrades, and it is best left to the professionals. Before your new attic insulation can be installed, any old or damaged insulation may need to be removed first. With many tight spaces and potential health hazards - such as mould, mildew, asbestos, or even animal droppings - attic insulation removal should only be attempted by the professionals. Not only will this save you the headache and danger of attempting it on your own, but it will also save you a considerable amount of time overall. GNI has the equipment and experience to ensure a fast and complete removal of your attic insulation. 

How to Remove Blown in Insulation

Blown in insulation removal can occur in several different ways, but the safest and most effective way is to have a professional take care of it for you. A DIY blown in insulation removal can be a messy and intimidating task to tackle on your own. It can also be difficult for the inexperienced eye to determine if the blown in insulation needs to be removed at all. It is important to remember that your initial inspection for insulation removal is just as important as the removal itself. Without it you may be looking to upgrade areas that are functioning properly while ignoring the areas that need your attention immediately. 

You could also be working with dangerous materials such as vermiculite with asbestos and not know it - for this reason alone we strongly recommend scheduling an inspection with an industry professional before you start removing insulation in your home if you suspect it may be present. If you know that your home has asbestos insulation or are unsure, GNI can help you find a partnered contractor in your area to ensure safe and proper removal before our technicians start your upgrades. 

How to Remove Fibreglass Insulation

Fibreglass insulation removal can be a necessary part of home upgrades. While this may appear to be more DIY friendly than the other types of home insulation, GNI strongly recommends that you consult an industry professional and leave all of your insulation removal to them. This will help you to only target the areas that require removing, and ensure that you are properly preparing the space for a new insulation install. It is also good to know that the materials will be properly disposed of in a safe manner.  

What is the Cost of Insulation Removal?

The cost of insulation removal is assessed on a case by case basis. A professional removal will ensure a rapid and effective job that prioritizes your safety. The total cost of your insulation removal will depend on factors such as: how much you need to remove, where it is located in your home, and if additional vapour barrier and / or air sealing is required in the area once the removal has occurred. To learn more about the cost of insulation removal in your home, please contact the GNI Customer Experience Team at 1-800-265-1914.

Insulation Removal and Asbestos

One of the dangers that can occur during old insulation removal is exposure to asbestos. Asbestos was commonly used in vermiculite insulation before its dangers as a health hazard were fully realized. Many older homes still have asbestos vermiculite in them and can pose a challenge for homeowners looking to make upgrades. GNI can help you find a partnered contractor in your area to ensure that all of your asbestos insulation removal will happen safely. That way you can be sure that you and your family separated from any asbestos-related health hazards that could occur during a DIY job.

Insulation Removal and Air Sealing

An important part of a home’s energy efficiency is its level of air sealing. In many cases, the most effective air sealing upgrades in a home require insulation removal to occur first. This allows for full access to the areas that may be leaking the most air, and can help ensure that your home’s energy efficiency and air quality are operating at their most optimal levels. An airtightness test locates all of the air leaks in your home and goes a long way in helping you improve your energy efficiency. 

How do I Remove Insulation?

Insulation removal is one of the jobs that is best left to the experts. Health hazards could occur during removal and the proper preparations may not be performed for you to make new insulation upgrades most effectively - such as air sealing and adding vapour barrier. GNI will perform your insulation removal with safety and cleanliness in mind, ensuring that you and your family are well protected from any airborne health hazards that could be disturbed by a DIY job.

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


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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

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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

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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.


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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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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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