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Interior French Drains
We offer effective and durable foundation waterproofing systems to keep your basement dry and safe all year long in Montreal, the West Island, Laval, and the South Shore
Protect Your Basement Against Water Infiltration
A damp or flooded basement can cause significant damage to your home and affect indoor air quality. At Basement Comfort, we offer effective interior waterproofing solutions to keep your space dry and protected all year round.
Why choose an interior foundation drain?
- Effective and durable solution: Prevents water from accumulating by redirecting moisture away from your home.
- Effective solution against water infiltration: Directs water to a controlled drainage system, preventing water from damaging your basement.
- Alternative to costly exterior work: Ideal when exterior excavation is difficult or impossible.
- Basement protection: Reduces hydrostatic pressure to prevent floor cracks and water infiltration.
- An economical system: Our waterproofing system can be adapted to your budget and costs about half as much as an exterior waterproofing system.

Our interior waterproofing method,
- Installation of an interior drain to capture water under the slab
- High-performance pumping system to efficiently evacuate water
- Protective coatings to prevent moisture infiltration
- Solutions tailored to your home for complete peace of mind
With our expertise and quality materials, we guarantee optimal protection against water infiltration in the basement. Contact us today for a free assessment!
Why Waterproof Your Basement from the Inside?
A damp basement or one subject to water infiltration can cause major damage to your home and compromise your comfort. Interior waterproofing is an effective and durable solution to protect your space against moisture and flooding.
The dangers of a poorly protected basement
- Water infiltration and material damage: Infiltrating water can deteriorate your foundations, walls, and floors.
- Mold and poor air quality: Moisture promotes mold growth, harming your health.
- Unpleasant odors and discomfort: A damp basement leads to persistent odors and stale air.
- Loss of living space: A damp basement becomes unusable and reduces the value of your property.
The advantages of interior waterproofing
- Affordable and effective solution: Less expensive than exterior waterproofing, it's ideal when excavation is not possible.
- Durable protection: Our interior drainage systems direct water to a sump pump that efficiently evacuates it.
- Work done from the inside: No exterior excavation necessary, minimizing inconvenience.
- Prevention of future problems: A healthier home and preserved property value.
Don't let moisture compromise your basement! Contact Basement Comfort for a free assessment and enjoy a dry and healthy space all year round.
Why Install a Vapor Barrier on Foundation Walls?
Water infiltration is one of the biggest enemies of basements. Without adequate protection, water can penetrate the basement, causing moisture problems, mold, and material deterioration. Installing a vapor barrier is an essential solution to protect your home and ensure a healthy environment.
The risks of a basement without a vapor barrier
- Water infiltration and moisture: Water penetrates the basement, making the ambient air more humid.
- Mold development: A humid environment promotes mold proliferation, which can affect your health.
- Damaged walls and insulation: Moisture can deteriorate materials, reducing your home's energy efficiency.
- Unpleasant odors and discomfort: Stagnant moisture leads to poor air quality and a feeling of discomfort.
- Resistant: To mold and completely waterproof.
The advantages of a vapor barrier on foundation walls
- Moisture reduction: Blocks water vapor and prevents it from penetrating your basement.
- Mold prevention: Promotes a dry and healthy environment for the entire home.
- Improved thermal insulation: Protects insulating materials for better energy efficiency.
- Durability and protection against foundation cracks: Directs water infiltration to the drainage system and extends the life of interior finishes.
- Integrates perfectly: With our complete waterproofing system.
An effective and durable solution
At Basement Comfort, we install high-quality vapor barriers adapted to your basement. Our professional solutions ensure optimal protection against moisture and improve the comfort of your home.
Protect your basement today! Contact us for a free assessment and benefit from a drier and healthier space.
Basement Comfort is proud to offer superior quality, adhering to the philosophy of doing things right the first time and aiming for unmatched customer satisfaction. Our confidence in our expertise and vast experience make us the only company in Laval, Montreal, the South Shore, and the Greater Montreal area.
Choose Basement Comfort for basement waterproofing, and we guarantee that the treated area will remain free from any water infiltration or moisture as long as your home exists. Our services come with a warranty certificate, transferable to future owners without limit.
Before and After
Case Studies
Solution for Basement Water Infiltration in Rosemont, QC

Water infiltration was a recurring problem in our client Mr. Christian's basement located in Rosemont, QC. Every year, he faced infiltrations that could cause significant damage.
In his quest for a permanent solution, Mr. Christian conducted extensive online research and eventually chose to trust the expertise of Sous-Sol Confort.
Basement Water Infiltration Solution in Côte-des-Neiges-Notre-Dame-de-Grâce, QC

Our client, Mr. Nicolas Leblanc, noticed signs of water infiltration and a musty odor in his basement. He wants to be able to use this space without these issues and enjoy optimal comfort.
Basement Water Infiltration Problem in L'Île Bizard, QC

Mr. Andrew Martin is dealing with water infiltrations and a musty odor in his basement, making the space uncomfortable and unusable. His wish is to solve this problem to have a dry and comfortable basement.
Stabilization of Floor Joists and Installation of Drainage System in Crawl Space in Longueuil, QC

Our client, Ms. Isabelle, noticed issues of humidity and infiltration in her crawl space, as well as a weakening of the floor joists in her house. She aims to solve the mold problem, improve energy efficiency, and stabilize the floor joists in her crawl space.
Waterproofing and Interior Drain Installation in Salaberry-de-Valleyfield, QC

Our client, Mr. Denis, noticed signs of water infiltration and a musty odor in his basement. He wants to be able to use this space without these inconveniences and enjoy optimal comfort.
Basement Water Infiltration Issue and Interior Drain Installation in L'Assomption, QC

Our client, Mrs. Rose-Andrée, noticed signs of water infiltration and a musty odor in her basement. She wants to be able to use this space without these inconveniences and enjoy optimal comfort.
Basement Water Infiltration Issue and Interior Drain Installation in Laval, QC

Our client, Mr. Rajan, noticed signs of water infiltration and a musty odor in his basement. He wants to be able to use this space without these inconveniences and enjoy optimal comfort.
Solution Against Basement Water Infiltration with Interior Drain System in Mascouche, QC

Our client, Mr. Lemire, noticed signs of water infiltration and a musty odor in his basement. He wants to be able to use this space without these inconveniences and enjoy optimal comfort.
Interior Basement Waterproofing in Montreal, QC

Our client, Mr. Jean-Pierre Paradis, a resident of Montreal, was facing a persistent water infiltration problem in his basement. Each year, his foundation would allow a certain amount of water to penetrate, which was progressively deteriorating his wooden floor due to excess moisture. In search of a permanent solution, he turned to the internet for answers. After comparing various options, he finally chose Sous-Sol Confort.
Interior Basement Waterproofing in Pointe-aux-Trembles, QC

Our client, Mr. Jean-Marc Simard, a resident of Pointe-aux-Trembles, was facing a persistent water infiltration problem in his basement. Each year, his foundation would allow a certain amount of water to penetrate, which was progressively deteriorating his wooden floor due to excess moisture. In search of a permanent solution, he turned to the internet for answers. After comparing various options, he finally chose Sous-Sol Confort.
Waterproofing and Interior Drain Installation in Pierrefonds, QC

Mr. Kaloyan noticed signs of water infiltration and a musty odor in his basement. He wants to be able to use this space without these inconveniences and enjoy optimal comfort.
Waterproofing and Interior Drain Installation in Fabreville, Laval, QC

Mr. Kevin noticed signs of water infiltration and a persistent odor of humidity in his basement. Wanting to use this space without inconvenience and improve his comfort, he called Sous-Sol Confort for a lasting solution.
Solution Against Basement Water Infiltration with Interior Drain System in Laval, QC

Our client, Mr. Maki, noticed signs of water infiltration and a musty odor in his basement. He wants to be able to use this space without these inconveniences and enjoy optimal comfort.











































