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Symptoms and Causes
Increased humidity, mold growth, and water in the basement are signs that your foundation requires professional intervention.
- Sunken or blocked French drain
- Water in the basement
- Damp foundation walls
- Efflorescence on concrete (white powder/small accumulations)
- Basement flooding during spring thaw or heavy rains
- Health problems such as allergies or difficulty breathing due to mold and high basement humidity
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Do you have water infiltrations? Is there mold?
Héneault Gosselin will install a waterproof membrane and correct the drainage.
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foundation-waterproofing saint-jean-sur-richelieu
Why Perform the Work?
To prevent structural damage, protect your health, and save on future repair costs.
- Protect yourself from the harmful effects of airborne fungal spores
- Ensure your building complies with the Building Code
- Keep water away from the foundation, thus protecting its lifespan
- Provide peace of mind and a dry home
- Prevent damage caused by poorly drained soil around the foundation
- Restore the full value of your property
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Solutions 
Trust Héneault Gosselin, the specialist with the best industry guarantee, for a healthy and secure home.
- Excavation and removal of poorly drained soil around the building
- Repair of any damages found during foundation excavation and assessment
- Replacement and installation of a French drain
- Installation of service connections on the drain for future inspection and cleaning
- Installation of a new interior sump pit for easy connection to city sewers
- Installation of a top membrane (waterproof barrier) or foundation waterproofing
- Backfilling with new clean drainage material to keep the foundation dry for years
- Restoration of slopes (surface water management) so that surface water flows away from the house
Waterproofing, Drainage, and Sealing
Our Projects
See our experienced professionals using techniques and materials to prevent water infiltration inside your home.
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