Specialists in cellulose and urethane insulation in Quebec. Removal of old insulation, decontamination of mold, vermiculite and asbestos.
About the company
We specialize in thermal insulation , decontamination and renovation services that make homes in Quebec warmer, safer and more energy efficient.
Based in Farnham, Quebec, our company proudly serves Montreal, the South Shore and the Eastern Townships, offering reliable solutions for cellulose and urethane insulation , removal of old insulation, as well as decontamination of mold, vermiculite and asbestos.
Whether you want to improve your insulation to save energy or clean your home of hazardous materials, ISONEX is your complete solution for comfort, health and peace of mind.
High-quality work with a personal and friendly touch.
Local experts are ready to help you with all your home needs starting today.
Reliable help for all your home renovation needs
Securing work environments with expert containment systems
About the company
We specialize in thermal insulation , decontamination and renovation services that make homes in Quebec warmer, safer and more energy efficient.
Based in Farnham, Quebec, our company proudly serves Montreal, the South Shore and the Eastern Townships, offering reliable solutions for cellulose and urethane insulation , removal of old insulation, as well as decontamination of mold, vermiculite and asbestos.
Whether you want to improve your insulation to save energy or clean your home of hazardous materials, ISONEX is your complete solution for comfort, health and peace of mind.
ISONEX was founded with the mission of improving the comfort, safety and energy efficiency of homes and commercial buildings in Quebec.
We combine years of experience, certified expertise and environmentally friendly materials to offer solutions that not only meet modern standards, but also protect your family and your investment.
Our team of specialists is committed to:
At ISONEX, we don’t just install insulation — we improve living spaces, reduce energy costs and create healthier environments for our customers.
To be the most trusted and innovative insulation and decontamination company in Quebec, recognized for creating healthier, safer and more energy-efficient homes.
Our mission is to:
Through our vision and mission, we aim to transform homes and workplaces into healthier, safer, and more energy-efficient spaces, while protecting people and the planet.
Cellulose insulation is one of the most environmentally friendly and economical insulation materials available today. This cellulose insulation offers:
Our experts install blown-in cellulose insulation in attics, walls, and floors, helping homeowners across Quebec reduce their energy consumption and enjoy consistent indoor temperatures. Looking for the best price on cellulose insulation ? Call us. We provide estimates for blown-in cellulose insulation upon request.
Urethane insulation ( urethane foam) expands to seal every nook and cranny, preventing air leaks and moisture buildup :
Our qualified technicians apply urethane insulation in attics, basements, crawl spaces, and commercial buildings, ensuring a durable and airtight thermal barrier. We can provide a quote for urethane insulation price per square foot . We also work with urethane insulation kits .
Before installing new insulation , it is essential to remove the old or damaged material, which is often contaminated by dust, pests, or moisture. Our attic insulation removal service guarantees optimal preparation.
Our team uses specialized suction systems and full protective equipment to:
This process ensures that your home remains clean, safe, and ready for improved energy performance.
Mold in your attic, walls, or basement is more than just an eyesore—it’s a health hazard that can cause allergies, respiratory problems, and structural damage. At ISONEX, we offer professional mold inspection and decontamination services to:
Our goal is to make your living space safe again, for your family and your future.
Older homes in Quebec often contain vermiculite contaminated with asbestos, a substance that is hazardous to health when airborne. Our certified team provides vermiculite and asbestos decontamination services in accordance with Quebec safety regulations.
We take care of:
Protect your family’s health and bring your property into compliance with modern safety requirements with our specialist decontamination services .
We believe that a successful insulation or decontamination project begins with clear communication, proper planning, and expert execution. Our proven process ensures your home achieves the best results—from the initial inspection to long-term support after the work is complete.
Every successful project begins with a precise understanding of your property’s condition. Our experts will visit your property to:
Once the inspection is complete, we clearly explain our findings so that you understand the problems and possible solutions — without confusion or hidden details.
After the inspection, we prepare a customized work plan tailored to your property’s needs and your budget. This includes:
At ISONEX, we believe in total transparency — you will always know what is being done, why it is necessary and what the benefits are.
Once the plan is approved, our certified technicians begin work using professional tools and specialized safety equipment. Depending on your project, this may include:
Our team works efficiently, minimizes disruptions, and keeps your home clean throughout the entire process.
Quality is not a promise — it’s a requirement. After the work is completed, we conduct a thorough inspection to ensure that:
Our relationship with you doesn’t end with the completion of the project. We offer:
We pride ourselves on building lasting relationships based on trust, reliability, and exceptional customer service.
Choosing the right insulation and decontamination company isn’t just about price—it’s about trust, safety, and long-term peace of mind. We combine technical expertise, eco-friendly materials, and a deep commitment to customer satisfaction to deliver lasting results for years to come. When you work with us, you’re not just hiring contractors—you’re partnering with professionals who care about your comfort, your health, and your home.
Our technicians are fully certified and highly trained in insulation, decontamination, and renovation, adhering to Quebec’s strict regulations. We have years of field experience, handling everything from small residential projects to complex commercial decontamination worksites. Every member of our team is committed to ensuring precision, safety, and quality workmanship, guaranteeing that every project is completed to the highest professional standards.
Your safety—and that of our team—is our top priority. All our projects adhere to the strict health, safety, and environmental standards established by Quebec’s regulatory authorities. We use certified personal protective equipment, airtight containment systems, and HEPA filters to ensure:
Each step is executed with rigor and care to protect your property and the people who live there.
Your safety—and that of our team—is our top priority. All our projects adhere to the strict health, safety, and environmental standards established by Quebec’s regulatory authorities. We use certified personal protective equipment, airtight containment systems, and HEPA filters to ensure:
Each step is executed with rigor and care to protect your property and the people who live there.
We’re not just installers—we’re energy efficiency specialists. Our insulation systems are designed to:
With smart insulation upgrades, we help you save money while living more comfortably all year round.
We understand that renovation projects can be stressful, especially when pricing is unclear. That’s why we guarantee complete transparency from start to finish. You’ll receive a detailed written estimate outlining all costs, materials, and timelines—with no hidden fees or unpleasant surprises. Our goal is to make your experience simple, honest, and worry-free.
Our success is measured by your satisfaction. That’s why every ISONEX project comes with a commitment to quality and responsibility. We listen to your needs, adapt to your expectations, and always go the extra mile to ensure the final result exceeds your expectations. Many clients come to us through referrals, a testament to our solid reputation and consistent excellence throughout Quebec.
We are proud to serve property owners, businesses, and managers in:
