Essential health protection
Mould causes serious lung infections, skin irritation and severe allergic reactions. Professionals eliminate every contaminant to fully restore indoor air quality and protect vulnerable occupants.

Gestion Réno Solution specializes in mould decontamination in Longueuil, with residential and commercial services across the region. With more than 12 years of experience in remediation and moisture management, our team eliminates mould at its source while restoring indoor air quality.
We act quickly to protect your health and preserve the structural integrity of your property. Whether you are preparing a sale or responding to an emergency, we guarantee lasting results that meet Quebec standards.
Start breathing clean air today.
As your mould specialist, we apply strict protocols to identify and eliminate every source of contamination. We use specialized equipment to detect mould that is invisible behind walls and beneath surfaces. Our 10-year warranty reflects our confidence in the quality and durability of the work.
We understand how urgent it is to act on mould that spreads quickly. That is why we offer rapid response. Our team arrives with professional products and advanced techniques to treat every affected area effectively. From the first inspection through to final restoration, we keep communication clear.
Five signs usually point to a problem: a persistent musty smell, visible staining on surfaces, excessive condensation, past or current water infiltration, and unexplained health symptoms. Professional mould inspection and decontamination reveals hidden contamination the naked eye cannot detect.
Picture noticing black staining in your basement after heavy spring rain. Without a prompt assessment, that mould releases spores into the air, causing allergies and respiratory problems. Our mould decontamination service in Longueuil identifies the contaminated areas, determines the underlying causes and eliminates the problem.


Our three-step process starts with your first contact, where we discuss your concerns and schedule a visit. Next, we carry out a free assessment to identify every source of contamination and moisture. Finally, our team completes the full scope of work, including containing the areas and applying the anti-mould treatment.
Found significant mould in your bathroom after an overlooked leak, with spores spreading quickly to adjoining rooms? Our mould decontamination in Longueuil steps in to contain the spread, eliminate all contamination and treat the surfaces to prevent recurrence, restoring a safe environment.
Take control of your air quality.

Mould causes serious lung infections, skin irritation and severe allergic reactions. Professionals eliminate every contaminant to fully restore indoor air quality and protect vulnerable occupants.
Mould accelerates the breakdown of finishes and building materials. Our emergency mould decontamination service responds quickly to head off the damage.
You are required to declare the presence of mould on the seller’s declaration (D6.3). Certified mould decontamination in Longueuil with a warranty makes your resale far easier and reassures potential buyers that the property is sound.
Our professionals have the advanced tools, professional products and techniques needed to eliminate mould, including the mould you cannot see.
Our 10-year warranty guarantees complete, durable decontamination. We also offer asbestos decontamination for a single combined intervention when both problems exist together in an older property.
Do not let mould compromise your health or the value of your property. Trust Gestion Réno Solution for mould decontamination in Longueuil, backed by more than 12 years of expertise and our exceptional 10-year warranty.
Your free quote is one call away.

