French Drain Installation & Replacement in Gatineau & Aylmer
We install and replace french drains across Gatineau and Aylmer — perforated pipe, clear stone, filter fabric, proper slope. Built to last 25+ years.
RBQ Licensed #5659-5812-01
25+ years in Gatineau
Owner on every job
ARE YOU EXPERIENCING THIS?
Water pooling around the foundation every spring
Original french drain over 25 years old and never inspected
Iron ochre clogging the existing weeping tile system
Basement flooding during spring thaw or heavy rainfall
French drain installation in Gatineau — your foundation's first defence
A french drain intercepts groundwater at the footing level and sends it away from your foundation before pressure builds against the wall. This perforated pipe system is the primary drainage defence for every residential foundation in the Gatineau area.
Gatineau's Champlain Sea clay drains slowly. It holds water against foundation walls for weeks during spring thaw. Without a working french drain, that trapped water generates sustained pressure and forces moisture through cracks, cold joints, and porous concrete into your basement.
We've installed and replaced french drains across Gatineau, Aylmer, Cantley, Chelsea, and Wakefield for 25+ years. Our mini excavators reach foundations in narrow side yards and tight backyards where standard equipment can't operate.

How a french drain protects foundations in clay soil
The french drain sits at the base of your foundation wall, level with or slightly below the footing. A perforated pipe rests on a drainage bed wrapped in filter fabric.
Water migrating down through the soil reaches the drainage layer before it hits the wall. The drainage bed moves water much faster than surrounding clay, channelling it straight into the pipe.
Slope matters. The pipe has to maintain a steady fall toward the outlet. Insufficient slope lets sediment accumulate and water back up during peak spring demand.
By lowering the water table immediately around the foundation, the drain keeps surrounding clay drier and less expansive. That directly reduces the lateral pressure that drives foundation repair needs across the Gatineau region.

When your weeping tile needs replacement
Original weeping tile systems have a useful life of decades, not forever. After that, root intrusion, sediment accumulation, iron ochre deposits, and pipe collapse reduce flow until the system fails.
Iron ochre — a bacterial deposit — clogs drains across the Gatineau area at rates that vary by neighbourhood. A camera inspection tells you whether cleaning can bring flow back or whether full replacement is the only path.
Signs of a failing drain: new water infiltration in a previously dry basement, water stains along the wall-floor joint, a sump pump running continuously without keeping up. These all mean the drain can no longer manage pressure.
Replacement means excavation around the foundation perimeter, removing the old pipe and contaminated stone, and installing a new system with modern materials. It's also the chance to inspect the footing and renew the waterproofing membrane.

Tight-access french drain projects in Aylmer and Gatineau
Older neighbourhoods in Aylmer, Hull, and central Gatineau have narrow side yards — often not enough room for standard excavation equipment.
Our mini excavators fit through tight openings and reach full footing depth in confined spaces. They work between houses, beside garages, and through backyard gates where bigger crews can't go.
Combining drain replacement with waterproofing membrane during the same excavation cuts total disruption. Exposing the foundation once for multiple below-grade systems protects your landscaping and finishes the whole job in a single mobilization.

Our process
Camera-inspect the existing drain to check condition, slope, and flow
Excavate around the foundation perimeter down to the footing
Remove old drain tile and contaminated stone bedding
Install new perforated pipe on gravel bed with geotextile filter fabric at proper gradient
Connect to sump pit or daylight outlet, backfill with clear stone, restore grade
Camera-inspect the existing drain to check condition, slope, and flow
Excavate around the foundation perimeter down to the footing
Remove old drain tile and contaminated stone bedding
Install new perforated pipe on gravel bed with geotextile filter fabric at proper gradient
Connect to sump pit or daylight outlet, backfill with clear stone, restore grade
A $2,000 crack injection today can prevent a $25,000 excavation next year.
Frequently asked questions
What homeowners are saying
Real homeowners. Real projects. Honest results across Gatineau and Aylmer.
Co-designing and executing the landscaping near our house with Pascal was an easygoing exercise with a great result. He offered multiple good options and always listened to our feedback. He was able to explain the strategy behind his recommendations with an aesthetic eye: how the approach would look from the road, how to tie in various structural and colour elements of the house with the landscaping. The interlock included some contrasting colours and patterns, and the front driveway circle is a rarity. Highly recommended.
Kelvin Prosyk
June 2025
Renovatech is one of the best companies that I've ever hired to complete a renovation project. Pascal is transparent and honest when it comes to discussing design choices and pricing and the team work extremely hard to deliver quality work within established timelines. Would recommend to anyone and will continue to call them for my future projects.
Madyson Charbonneau
April 2025
I just had my daughter's birthday party in our new backyard. Everyone was really impressed, which is what inspired this review! Pascal really has a vision for these spaces. The project included cutting out a slope, putting in a beautiful wood retaining wall, new grass, cedars, and a fantastic interlock patio that runs from the deck around to the garage. I now have a decorated sheltered seating area under the overhanging 2nd floor. Everything came out so nice. I strongly recommend Renovatech for any landscaping needs.
C Vass
March 2025
We cannot recommend Pascal and the Renovatech team strongly enough. The quality of work is impeccable, the worksite is always kept clean, they manage projects to be the least disruptive and deliver what they say and when they say it. When we've had any issues with the house, they are extremely responsive — even showing up late on a Sunday evening of a long weekend to help with a surprise leak in our foundation. Cannot recommend the Renovatech team strongly enough.
Dan Benoit
April 2025
Renovatech — Pascal and Team — are my go-to contractors for all things around our home. From landscaping projects, to bathrooms, and basements they do it all. Fair and honest, and 100% transparent — they'll take the time to explain the various materials, pro-cons, and stick within your budget, and always perform high-quality workmanship.
Pej Javaheri
February 2025
Pascal from Rénovatech helped us plan new steps, choose materials, and explained how it could be accomplished using his vast array of equipment. He kept us informed when our initial plan was snagged due to production delays — but the product arrived just in time to meet our strict deadline. His team started excavating Thursday morning and by the end of the next day our entrance stairway was completed. The new steps look great! We would gladly work with Rénovatech again.
Robert Way
September 2025
We had a great experience with Renovatech. They redid our front steps and we are really happy with the work. Pascal was very patient in talking us through our options and helped us pick the right stone to match the house. It was a pleasure to work with them and we wouldn't hesitate to work with them again on another project in the future. Highly recommend!
Valerie Goodhue
March 2025
Excellent work! The team are super professional and their product is next to none. Pascal truly puts his heart into the work his team does! We absolutely recommend them! We love the beautiful deck they made us. The detailed work is incredible!
Jake G
April 2023
We couldn't be happier with Renovatech's work — Pascal and crew were professional and meticulous, starting with a critical repair to our foundation and a new patio in the backyard. We highly recommend this company and their quality workmanship. Hat's off to a job well done!
Charlene Campbell
March 2025
Pascal and his team are amazing. We needed a deck built around this cabin renovation project and they delivered!! Very precise, professional, and punctual — we would highly recommend their services!
Steve Bedard
April 2025
Reliable and hard working. They understand what quality work is all about.
Martin Pham Dinh
March 2026
An honest contractor who takes pride in his work — harder and harder to find these days. Pascal and his team are rare gems. They built the deck we had always dreamed of.
Nicolas Pham-Dinh
Mars 2026
Excellent service at Renovatech Gatineau! The team was courteous and professional. We really appreciated the suggestions and advice that helped us make the right choices for our project, especially for our hardwood floors. The staff is knowledgeable, attentive, and takes the time to explain the different options. Highly recommend!
Gabrielle Aubert
Mars 2026
I want to thank Pascal and his team at Renovatech. Last year for the construction of my patio and this year for the grading work. You did a remarkable job!! A professional and dedicated team that always gives their best. Very satisfied client. Highly recommend!!
Mathieu Rioux
Avril 2025
Pascal and his team always do exceptional work, they listen to their clients' needs and can solve any problem. Attention to detail is very important to Pascal and that is what makes his projects a success. It is a pleasure to work with them.
Gabrielle Aubert-Dubois
Mars 2025
Very positive experience with this company. A skilled, professional, and efficient team. The work is done with care and the quality is excellent. You can tell they know their trade perfectly and know exactly what to do to get an impeccable result. Highly recommend!
Stephany Labelle
Mars 2026
Great work from Pascal's team. He redid my driveway, my steps, and graded my yard. He was very helpful and reliable, and proposed good solutions to achieve the desired result.
Étienne Gosselin
Avril 2024
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Call us or send a quote request. We'll walk your property and tell you what we see.
819.213.0597