Roof and wall home insulation

Home Insulation and Decontamination specialists

Cultivate comfort, save energy: Prevent with Pévention Isolation.

Did you know?

In Quebec, approximately 75% of a home’s heat is lost through its thermal envelope, making adequate attic insulation essential for energy conservation.

By installing effective attic insulation, Quebec homeowners can reduce their energy needs by up to 40%.


LIMITED OFFER: Insulate now, pay nothing until summer 2024

  • Don’t pay anything until spring 2024
  • Grant of up to $1,500
  • $500 rebate available
  • ​Financing available from just $15 per month
Quick Quote

Why replace your insulation?


Increased interior comfort thanks to cutting-edge insulation solutions.


Regulation of humidity levels and reduction of air infiltration for a pleasant and healthy environment all year round.


Improving the energy efficiency of your home and reducing your electricity bill.


Added value to your property thanks to reduced maintenance costs and better living comfort.

Get up to $1500 in subsidies

We can get you $1500 in grants to update your home’s insulation and caulking.

You want to optimize your insulation, but...

  • You are concerned about the costs and financial feasibility of optimization.
  • You lack information on the most suitable insulation options.
  • You fear the disruption of work on your daily life.
  • ​You doubt the effectiveness of insulation for your type of property.
  • ​You are concerned about the environmental implications of insulation materials.


In today’s world, where home comfort and energy efficiency are more important than ever, superior insulation is essential. At Prevention Insulation, we understand that insulating your home is more than just an energy-saving measure; it’s an investment in your daily comfort and the health of your environment. 

Overcome your worries with Prevention Insulation

✔ Cost-effective insulation solutions with flexible financing options.

✔ Long-term cost analysis to demonstrate achievable energy savings.

✔ ​Expert advice on the best insulation materials and techniques for your home.

✔ Personalized assessments to determine the most effective insulation option for you.

​✔ Careful planning to minimize the impact of the work on your daily life.

✔ ​Fast and professional implementation for a hassle-free experience.

✔ Precise diagnosis of current insulation to optimize efficiency.

✔ Tailored solutions, guaranteeing the best results for all types of properties.

​✔ Use of ecological and sustainable insulation materials.
​✔ Commitment to environmentally friendly practices for a reduced carbon footprint.

Attic Insulation

Wall Insulation

Learn more about our services

Insulating your home plays a crucial role not only in reducing your energy bills, but also in protecting your living space from the outside elements. Effective insulation improves indoor air quality, reduces noise pollution and increases the overall value of your property. At Prévention Isolation, we offer a full range of insulation services, tailored to your specific needs. Whether you’re looking to insulate your attic, walls or basement, we have the solutions to make your home more energy-efficient, durable and comfortable. Find out how we can transform your home into an energy-efficient haven.

4 reasons to replace your home insulation:

Enhanced Comfort

Good insulation helps maintain a constant indoor temperature, avoiding cold draughts in winter and excessive heat in summer. This creates a more comfortable living environment all year round.

Energy Savings

Insulation reduces the need to heat or cool the home, which significantly lowers energy bills. A well-insulated home requires less energy to maintain a comfortable temperature.

Protection Against Humidity

Effective insulation can also help protect your home against moisture problems, preventing the formation of condensation that can lead to mold and structural deterioration.

Adding Value to Your Property

A well-insulated home is often more attractive to potential buyers, as it promises lower maintenance costs and greater living comfort.

Invest in insulation to protect your property in the long term.

Prévention Isolation is a trusted company specializing in insulation to protect your home or business from the elements.

We pride ourselves on providing high-quality, professional services and sustainable insulation solutions to meet all your energy efficiency needs.

Choosing quality insulation is essential for minimizing heat loss and preventing moisture problems. By improving the insulation of your walls, roofs and basements, you can not only increase the comfort of your living space, but also reduce your energy consumption and make significant savings on your heating bills.

Why trust Prevention Insulation?

☑ Team of more than 50 dedicated experts, ready to intervene quickly with our fleet of 9 vehicles.
​☑ Exclusive use of top quality materials, in compliance with environmental standards.
☑ Firm commitment to total customer satisfaction, with a priority on sustainable solutions.
☑ Flexible payment options tailored to each project to ensure your peace of mind.

Take the first step toward a more economical and comfortable home today.

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