55 Capital Drive, Nepean, ON, K2G 0E7

Tel: 613-224-1677

Fax: 613-224-2052

Safe and Warm

From abatement to new insulation, we take care of everything.

Contact Us

Insulation and Home Comfort Specialist

We offer you smart and well-tried insulation products that will keep you warm.


Keeping Safety First and Foremost

Our respectful and competent team guides you through every step of the abatement process.


Precision Removal That Lasts

We keep your walls and surfaces clean inside and out.

O’Reilly Brothers: Your Insulation Contractor in Ottawa

When you choose O’Reilly Brothers as your insulation contractor in Ottawa, we’ll offer solutions to all your insulation needs.

Insulation is a vital component to any property’s efficiency. Commercial businesses can’t afford to lose valuable money on wasted energy. Likewise, homeowners deserve reliable protection for their investments.

Adapted to Your Needs and Budget

O’Reilly Brothers helps you pick a time and budget to fit your situation. With these concerns out of the way, you can focus on more important things.

Let us show you just how helpful we can be with our efficient services. We’ll worry about energy concerns so you don’t have to. Call us for a free estimate.

The O’Reilly Name

Since 1967, our family company has served countless business owners and residents with a variety of insulation needs. Whether you need abatement, contaminant removal or insulation contractors for your Ottawa home or business, count on us to help you preserve your investment.

We pride ourselves on the quality care we offer our customers. With industry-based knowledge and the skills to succeed, our team provides the service you need to accomplish any insulation-related task.

Spray Foam Insulation in Ottawa

In addition to more standard insulation practices, O’Reilly Brothers is also your source for spray foam insulation in Ottawa. Sprayed polyurethane foam offers many advantages when compared to other practices. As it’s sprayed, it expands, filling the space around it creating an air-tight seal even in hard to reach places. It provides insulation and acts as a barrier against air and liquids, making it extremely energy efficient. Spray foam is very tough and can last years after it is applied.

Want to learn more about spray foam in Ottawa? Check out our spray foam FAQ page now! If you have any more questions, don’t hesitate to contact O’Reilly Brothers today!

Safety for All

In addition to our wide range of insulation services, we offer invaluable options. We work hard to update our industry equipment and knowledge to protect your home, office, or business.

Families, employees, and properties all benefit from safe insulation services. Choose us for environmental-friendly insulation products.

Good insulation makes sense

Trusting us for your insulation needs has many advantages:

  • We’ll save you money, help the environment, and give you a healthier home.

  • We frequently upgrade our knowledge and equipment.

  • Our Service personnel are certified and safety trained.

  • We offer multiple insulation services for one stop service.

  • We care. Customer satisfaction is our top mandate.

You can learn more about our insulation products or about the risks of certain insulation materials by consulting our FAQ.


We had the pleasure to work with many wonderful clients. Here are some of their thoughts on our services.

“I would like to pass on my thanks to your crew for the great work they did on insulating the attic at my house. It was great from start to finish, beginning with Chris Auger, whose advice and knowledge was greatly appreciated. Chris is the most helpful estimator possible and as the person with whom we had the most contact, his presence was invaluable.

This is the second time that we have had your company handle an insulation job for us and it’s worth noting that when other contractors – roofers, drywallers and carpenters etc. knew we were having O’Reilly for this job, their response was, “the best in the city”.”

Keith, Customer

“It’s always a pleasure working with you and O’Reilly Brothers, we always know what high level of service we will be provided with. We know the work will be well done and the crews are always excellent.”

Dennis & Sally, Customers

O'Reilly Brothers
55 Capital Drive
Nepean, ON K2G 0E7


Monday – Friday: 9:00 AM – 5:00 PM





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