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We serve the province of Quebec

Service Areas

Sous Sol Confort has become a solid reference in the basement waterproofing industry, crawl space repair, and foundation repair.

Our company is based in Laval and serves Montreal, North Shore, South Shore, Quebec City, Gatineau, Longueuil, Sherbrooke, Levis, Trois-Rivières, Terrebonne, Repentigny.

Our teams are equipped to handle any need, regardless of your situation. The reviews on Google and social media about our company are left by real customers who don't hesitate to share their pleasant experience during a repair in Montreal, on the North Shore, or the South Shore.

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Problem There is water infiltration and excess moisture in the basement.
Symptoms of basement infiltration:
When your basement has water infiltration and excess moisture, you may observe the following symptoms:

  • Presence of white powder on the concrete (efflorescence)
  • Presence of mold at the base of basement walls
  • Presence of water or damp concrete on the basement floor
  • Persistent humidity and bad odors

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Sous-Sol Confort is a local basement waterproofing contractor, serving with a patented drainage system specifically designed to solve basement water problems in our region. We customize our systems to meet the specific needs of your home; and age, size, or style is never a concern.

If you have ever noticed puddles or infiltrations at the wall/floor joint or on the basement floor, your home needs a quality basement waterproofing system. Without addressing the problem, water problems never get better, they only get worse. Even if your basement is only wet during very heavy rains, the air quality in your home can be affected, causing musty odors, and you won't be able to effectively finish your basement for maximum use.

The FlowDrain basement waterproofing system is a subfloor drainage system specifically designed to solve basement water problems without worrying about clogged saturated soils under the floor. Our patented systems can be designed to solve problems in any home, no matter how severe the water problem is.

Basement Waterproofing Basement Waterproofing
Basement Waterproofing Basement Waterproofing

A crack in a foundation: a common problem.

In Quebec, with freezing and thawing, the foundations of our homes are put to the test. It is therefore not uncommon to see one or more cracks appear on a foundation. If this happens to your home, don't panic.

State-of-the-art crack repair technique:

We repair cracks by injecting them with polyurethane. To do this, we drill on either side of your crack in order to reach its center and allow our injection to fill the crack properly. Injectors are placed every 6 inches, so we are certain they will leave no void space.

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Foundation Crack Repair Foundation Crack Repair Foundation Crack Repair

Benefits of polyurethane

  • Expands to fill the entire crack, from bottom to top, from inside to outside. No water ever enters the crack!
  • Hydrophobic: Prevents any water from entering the crack, eliminating future foundation wear
  • Stretches and compresses. The urethane foam expands and compresses. As the foundation undergoes microscopic movements, the repair remains intact, continuing to stop water
  • Fast: Polyurethane injections begin to expand within minutes of being injected
  • Transferrable written warranty

The solution for exterior French drain systems. If your basement has leaks, you need to consider waterproofing the foundation and draining the soil. There are two things that prevent a basement from having leaks:

  • A durable and flexible waterproof membrane on the basement walls
  • An adequate French drain with a bed of crushed stones around the base of the foundation
French Drain Installation French Drain Installation French Drain Installation

DELTA Drainage Mat Waterproofing Barrier

Waterproofing barriers are essential elements for managing a building's moisture. Their permeability to water vapor allows moisture to escape, but their resistance to water penetration prevents water from entering the structure in the form of droplets that have penetrated the exterior cladding.

The membranes also contribute to reducing energy consumption by preventing air circulation. The ideal solution for each type of wall structure is available in our extensive range of waterproofing barriers.

French Drain Installation

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Additional protection when the primary pump fails due to power outages or pump failure.

Fully solid state automatic 10/A charger controller with alarm indicator and alert system.

Provides 5.5 hours of continuous pumping on a fully charged battery pump capacity of 2000 gallons per hour.

Pump, battery, and float monitoring with alarms.

  • Check valve
  • Non-corrosive motor
  • Automatic testing

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Sump Pump Installation Sump Pump Installation

A crawlspace has a lot of water vapor in the air of the space, and the musty smell moves upwards into the house, so crawlspace insulation is important. Our 20 mil thick basic encapsulation system is available in Quebec.

Structural problems, such as sagging columns, beams, and floor joists, are common in crawlspaces. Sagging columns in a crawlspace are often caused by a weak foundation soil. Steps to have a safe and secure crawlspace include:

  • Step 1: A hole is dug and the post footing and backfill are prepared and leveled.
  • Step 2: A galvanized tube is cut to an appropriate length.
  • Step 3: Steel columns and components are assembled and attached to the beams.
  • Step 4: The SuperJack system is tightened in place, stabilizing the beams and lifting.

Possibly the floors and upper walls are leveled.

Benefits of SuperJack include installation in restricted spaces or where height and access are limited, the system is galvanized to promote corrosion resistance, stabilization and immediate results, can support a vertical load of over 60,000 pounds.

Crawl Space Repair Crawl Space Repair

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Spray polyurethane foam insulation is a two-component, non-structural, low-density insulation designed for use indoors in commercial, residential, and industrial applications.

The product's low density provides significant performance while offering excellent protection against heat, air, and noise. This versatility allows for highly energy-efficient buildings that are comfortable to live in and have improved air quality.

Insulation is primarily judged on its ability to limit thermal exchange, preventing heat transfer between the outside and inside of a building or between two rooms. Insulators like SOPRA-SPF polyurethane foam also eliminate thermal bridges, which is an essential asset.

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Basement Thermal Insulation Basement Thermal Insulation Basement Thermal Insulation Basement Thermal Insulation Basement Thermal Insulation Basement Thermal Insulation

Foundation Anchor Devices, Steel Power Beams, and Supports. The Proven Solution. Restore the full value of your property. The Power Beams Supports system will permanently stabilize the foundation walls of your home. Once tightened, the anchors maintain the wall in position and can be retightened over time to straighten your walls. Rest assured that the Power Beams Supports system will immediately stabilize your foundation walls and protect them permanently against any future inward movement. You will have peace of mind knowing that your foundation walls are stable and come with a transferable 25-year guarantee. Stability, Safety, Integrity.

  • Step 1: Steel beams are fitted to the height of your basement wall and solidly fixed against the wall.
  • Step 2: Secure the top of the Power Beams Support beam and connect with a steel support screwed into the floor joist.
  • Step 3: Anchor the bottom of the Power Beams beam to the floor.
  • Step 4: The system can be retightened to straighten the wall.

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Foundation Strengtheningcom

Protect your home with our expert basement and crawl space repair services

We provide basement waterproofing from the inside to keep moisture out and protect your foundation. Our foundation crack repair ensures structural stability and prevents further damage. Keep your basement dry with sump pump installation and French drain installation for effective water drainage. Improve energy efficiency with basement thermal insulation and thermal insulation of the crawl space. Strengthen your foundation with carbon fiber reinforcements and wall anchor brackets. Enhance air quality with dehumidifier installation for the crawl space. We also offer crawl space encapsulation and crawl space reinforcement to keep your home safe and secure. Contact us today for a free estimation!

We are at your service in the province of Quebec, Montreal and surrounding areas

Service Areas