Attic Insulation Dundas

Experienced, Professional and Affordable Attic Insulation in Dundas, ON.

Over a Decade of Industry Experience
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Attic insulation services in Dundas and the surrounding area. Our years  of experience in the community and familiarity with the local weather means we know exactly what our homes and businesses need to withstand the seasonal temperature challenges.

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Attic Insulation In Dundas, ON

Despite the region’s stunning natural surroundings, it is crucial to have proper insulation in your attic due to the extreme temperatures and humidity.

Dundas, in the Great Lakes region, experiences a humid continental climate. This means it has cold winters and hot summers, with temperatures ranging from -20 to 30 degrees Celsius throughout the year. To maintain a comfortable living environment, homeowners must ensure that their attics are insulated.

During the winter, it is crucial to have sufficient insulation in the attic to retain the warmth generated by heating systems within the living spaces. Similarly, in the summer, proper insulation helps prevent the attic’s hot air from entering the living areas. Inadequate insulation can result in higher heating and cooling costs, drafts, and an uncomfortable indoor climate. By investing in appropriate insulation, homeowners can save money on utility bills and enjoy a more pleasant atmosphere at home.

Our attic insulation services in Dundas encompass insulation installation and repair and air sealing to prevent drafts. By taking advantage of our services, homeowners in Dundas can reduce their energy expenses and enhance their homes’ comfort and energy efficiency.

We are highly qualified and well-equipped to handle all your insulation needs. You can trust us to provide exceptional service while ensuring your house remains comfortable and energy-efficient.

Blown In Attic Insulation

Types Of Attic Insulation

When it comes to attic insulation, there are several types to choose from. We’ve listed the most common types of insulation used in attics to help you understand what choosing fiberglass, cellulose, and spray foam options.

Fiberglass Insulation

Fiberglass Attic Insulation

Fiberglass insulation, a popular type in North America, is created by spinning microscopic glass fibers into a mat and then separating it into batts or blowing the insulation to the appropriate spot. Its appeal arises from its low cost and wide availability. Fiberglass insulation can insulate attics, walls, and floors, making it a versatile choice for new constructions and retrofitting projects.

Regarding attic insulation, fiberglass insulation typically has an R-value of R-2.9 to R-3.8 per inch of thickness. In North America, an R-value of R-49 to R-60 is suggested for attics, which can be achieved by installing fiberglass insulation with a thickness of 12 to 15 inches. Pre-cut fiberglass insulation batts that properly fit between the joists of your attic floor can be used to accomplish this.

While R-value is important when choosing attic insulation, it should not be the only factor. Other important considerations are the cost, installation convenience, and insulation material’s fire resistance. Our trained insulation professionals have the expertise to examine your attic space and make customized recommendations about the best insulation type and thickness, depending on your unique needs and budget.

Cellulose Insulation

Cellulose Attic Insulation

Regarding environmentally friendly insulation alternatives, cellulose insulation leads the pack due to its use of recycled materials such as newspapers and cardboard. Because it is made from post-consumer waste, this insulation is biodegradable and free of dangerous pollutants, making it a popular choice among environmentally conscious homeowners. Compared to fiberglass insulation, cellulose insulation is easier to install, yet it should be noted that it may settle over time.

The outstanding insulating qualities of cellulose insulation, backed by a high R-value, are one of the primary reasons it stands out for attic applications. Thermal resistance is enhanced with cellulose insulation, which has an R-value ranging from R-3.2 to R-3.8 per inch of thickness. This means it functions as a dependable barrier, trapping heat during the winter and keeping the blazing heat at bay during the summer. Furthermore, its effectiveness extends to attic air sealing, critical in minimizing draughts and improving overall energy efficiency.

When installed, cellulose insulation is often blown into the attic area, allowing it to settle into even the most inaccessible nooks and crannies and establishing a secure and efficient seal. Compared to fiberglass insulation, this installation approach reduces mess and speeds up the procedure. Furthermore, as compared to fiberglass insulation, cellulose insulation provides a more pleasant experience for installers because it is less prone to irritate the skin, eyes, and lungs.

Spray Foam Insulation

Attic Insulation Spray Foam

Spray foam insulation is a recent accomplishment for people looking for better insulation choices. This novel solution is put in liquid form and expands to fill every nook and cranny of the attic, generating a solid seal and an outstanding R-value. Spray foam insulation comes in two varieties: open-cell and closed-cell. Due to its exceptional R-value and air-sealing capabilities, closed-cell spray foam insulation is a superior alternative for attics.

Closed-cell spray foam insulation has an R-value of around R-6.5 per inch of thickness, outperforming other insulation types such as fiberglass and cellulose. This increased R-value indicates improved thermal resistance, efficiently retaining heat during the winter and blocking out heat during the summer. Furthermore, closed-cell spray foam insulation performs exceptionally well in attic air sealing, which is critical for reducing draughts and maximizing energy efficiency.

Another notable benefit of closed-cell spray foam insulation is its insect resistance. Closed-cell spray foam insulation, unlike cellulose insulation, functions as a deterrent, keeping pests at bay and reducing the chance of insulation damage. This extra benefit offers a more stable and long-lasting attic insulation solution.

Costs and Savings

Installing attic insulation is wise to make your home more energy-efficient and lower your heating and cooling costs.

We understand that pricing is important for homeowners considering this home improvement project. In this post, we’ll look at the cost of attic insulation, the possible long-term savings on energy costs, and any rebates or incentives that may be available to alleviate your concerns.

Attic insulation costs vary depending on factors such as the type of insulation utilized and the size of your attic. For a regular attic, the price, including supplies and skilled installation, typically ranges between $1,000 and $2,500. However, remember that this first investment is only the beginning, and the savings on your energy expenses might add up over time.

Assume you are now spending $200 a month on heating and cooling. You might expect a 20% reduction in energy expenditures by investing in attic insulation. This equates to a $40 monthly discount, totaling $480 annually. Over ten years, this equates to a whopping $4,800 in savings. As a result, the cost of attic insulation might be offset by the considerable energy savings you’ll enjoy over time.

In addition, homeowners that insulate their attics may be eligible for rebates or incentives. In Ontario, for example, the government offers cash incentives to homeowners who improve the energy efficiency of their homes.

Don’t hesitate to contact us for more information on the current rebates available and how to qualify. We’re here to assist you in making informed decisions and improving your home’s energy efficiency!

Attic Spray Foam Insulation

Costs and Savings

Does the age of my house affect my insulation?

Dundas, Ontario, is a diverse community with buildings of different ages, ranging from brand-new constructions to century-old historic homes. When it comes to attics, the age of a building can significantly impact potential issues that may arise.

In newly constructed buildings, typically less than five years old, attics will likely have minimal insulation problems. However, it’s essential to consider the expertise and practices of the developer, as this can vary. In most cases, insulation and ventilation systems should be up-to-date and functioning well.

For structures aged 5 to 25 years, there is a possibility of attic issues such as worn or damaged insulation, as well as inadequate ventilation. Factors like poor initial construction, lack of maintenance, or exposure to the elements can contribute to these problems. Homeowners in this age range should pay particular attention to their attics to ensure proper insulation and ventilation.

Buildings between 25 and 50 years old may encounter various attic issues, including outdated insulation, inadequate ventilation, and moisture damage. These concerns can arise from the building’s age, exposure to environmental elements, and the need for consistent maintenance. Homeowners in this category should proactively assess and address attic problems to maintain comfortable and energy-efficient living spaces.

For structures over 50 years old, attic issues can become more pronounced. Outdated insulation, poor ventilation, moisture damage, and even structural problems may exist. The age of the building, combined with extended exposure to the elements and possible neglect, can contribute to these challenges. Homeowners with older buildings should prioritize regular maintenance and inspections to ensure the integrity of their attics.

It is important to note that these observations are general and can vary depending on the condition, history, and maintenance of each building. It is recommended for homeowners in Dundas, regardless of the age of their facilities, to have professional assessments and take appropriate actions to address any attic-related concerns.

How does Dundas' different seasons affect the importance of attic insulation?

Attic insulation is a crucial consideration for homeowners in Dundas, Ontario, as it plays a significant role in maintaining a comfortable indoor temperature throughout the year.

During the winter months, when temperatures can plummet below -20 degrees Celsius, proper attic insulation acts as a shield, preventing heat from escaping the house. This insulation barrier helps keep the home warm and cozy while reducing heating costs. It’s important to note that the wind direction and elevation in Dundas can intensify the cold, making effective insulation even more essential.

By preventing heat loss, a well-insulated attic ensures that the warmth generated within the house stays inside, making heating more efficient and economical.

When temperatures rise to 30 degrees Celsius in the summertime, attic insulation is a defense against the heat. It prevents hot air from infiltrating the living spaces, keeping the home cooler and reducing the need for excessive air conditioning. Dundas’ humidity adds to the discomfort of hot weather, making the role of insulation even more vital.
With proper attic insulation, homeowners can maintain a comfortable indoor environment and alleviate the strain on their cooling systems. This translates into improved energy efficiency and cost savings.

Beyond temperature regulation, adequate attic insulation also safeguards against moisture-related problems. During the rainy seasons of spring and autumn in Dundas, insulation prevents water from seeping into the attic and stops condensation from forming. This moisture protection is crucial for preserving the house’s structural integrity and controlling mold growth, which can be detrimental to both the property and occupants’ health.

By keeping the home dry, protecting against structural damage, and inhibiting mold growth, proper attic insulation promotes a safe and healthy living environment for Dundas homeowners.

Why Choose Us?


We’ve worked on a wide variety of commercial and residential projects in and around Dundas, Ontario. We quickly pinpoint trouble spots and brainstorm workable solutions, even in unusual situations. .


The work you entrusted us with was completed successfully and to your satisfaction. As a team, we excel at resolving problems. Seeing the satisfaction on our client’s faces after a job well done is a source of great pride for us.


We are aware that budgets are an inevitable part of modern life. Since we are familiar with the local pricing structure in Dundas, we can provide you with a fair and highly competitive quote for your project.

Insulation Hamilton Reviews

We attribute Insulation Hamilton’s high rate of satisfied Dundas customers to our dedication to keeping them in the loop throughout the process. We work closely with our customers from the very beginning to the end to ensure that all their insulation requirements are met and even exceeded.

We are incredibly satisfied with the outcome of hiring Insulation Hamilton. The work was done in quickly and carefully with no cutting corners. Roger was incredibly respectful of our home and family while getting the job done. I would 100% recommend this company.

Megan D


You were all very polite and I appreciated how you explained everything related to our old home.  I guess you’ve seen a lot of flipped houses like ours that contractors didn’t think to upgrade the insulation.  Thanks again.

Samantha P


We had another company quote us and they gave us the run around.  Just wish we would have picked you guys first.



Great job happy with everything you guys rock!

Gavin O


On time and job well done.  Happy we went with spray foam this time.

Allan R


Dundas, ON Attractions

Dundas Museum & Archives


Dundas Peak


Christie Lake Conservation Area


Tew’s Falls



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If you have any questions that we missed feel free to send us an email!

(289) 260-6329

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