Foundation repairs and waterproofing

Whether you need a new concrete slab for your garage floor, a basement floor replacement, or full French drain installation, we have a client you can talk to that has had a positive experience with our services. Sous-Sols Experts has all the necessary certifications to execute your foundation repairs and waterproofing work in Montréal, West Island, South Shore, and Laval. We only use the most advanced building materials because that’s what makes us the leading foundation waterproofing specialists in the area.

Conducting business
The Sous-Sols Experts Way

When I founded Sous-Sols Experts I promised myself “I will always treat every customer the way I always wanted to be treated, that is, with Honesty and Respect”.

Over the years I realized there are 3 main reasons which are usually the main reason why 98% of customers are upset with the contractor they chose. Maybe the work was completed eventually, but somehow it was a bad experience. So that you may have the best possible experience, the next 3 points are called CONDUCTING BUSINESS THE SOUS-SOLS EXPERTS WAY.

— Pietro Di Benedetto


The work will be completed in consecutive days


All scrap materials are the responsibility of Sous-Sols Experts


This quotation or contract includes all labor and materials

French drain installations

Sous-Sols Experts Installs THE BEST WATER MANAGEMENT SYSTEMS in the business! A French Drain is, in essence, a Water Management System which DRAINS and removes unwanted water from your foundations. We can carefully evaluate your home to determine if a French Drain Installation is an ideal solution for you.

Years in Business

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Need a quote?

Please fill in the form to request a quote for your project. We will get back to you as soon as possible to discuss your needs and set up an appointment at your property which is convenient for you.

What type of service do you need?

When do you need the work completed?

Covid-19 update

At Sous-Sols Experts we believe every home is different and unique, and our solutions are based on detailed customised work for every home and homeowner. So receiving a few pictures by text or e-mail isn’t enough for us to properly quote the work which needs to be completed. We need to visit your home during this difficult period to properly analyse, assess, explain, and demonstrate the materials we use so we can ultimately submit a detailed quote which answers all your needs. Rest assured that when we visit your property we’re taking every necessary precaution to keep everyone safe. We start by Sanitising our hands prior to entering your home, and Respecting a constant 2 Meter Social Distancing, and of course by wearing a Certified N95 face mask AT ALL TIMES.