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How does a French drain work?
The French drain is a pipe designed to drain water from around the foundation.
It evacuates all water accumulation around the foundation and prevents water infiltration inside the foundation walls.
The water collected by the French drain is directed to a safe place, such as a sump, a retention basin, or directly into a municipal drainage system, depending on local needs and regulations.
The main uses of a French drain
Surface water protection
If your home is located in an area where surface water can accumulate and cause damage, a French drain will intercept and drain this water away from the foundation.
If your home is built on water-retaining soil, or if the water table is high, groundwater can seep into the walls of your home. A French drain will intercept the groundwater and direct it to a remote location.
Flood prevention
In areas where flooding is common, a French drain can be used to prevent flooding by removing surface water before it causes damage.
What is the role of the French drain?
When it rains heavily or when the snow melts, it’s not uncommon for water to accumulate in the vicinity of foundations.
The water table beneath your home can even rise several feet, putting pressure on foundation walls and basement slabs in the absence of proper drainage.
The role of the French drain is to ensure that the water level does not exceed the level of the footings, thus preventing water from finding its way through the footing joint, through a floor crack or even through concrete blocks.
What is a BNQ French drain?
BNQ is a quality standard established by the Bureau de normalisation du Québec (BNQ) for French drains used in Quebec construction.
The installation of a BNQ French drain, which has been mandatory in Quebec for over 40 years, is more than necessary for proper drainage of your foundation.
BNQ French drains must meet precise design, sizing and performance criteria to ensure optimum functionality and long service life.
How to install a French drain in Quebec:
Key steps followed by our team of experts to install a French drain in Quebec
Digging a trench
We start by digging a trench around the area where we want to control the water, close to the foundations of a building.
Laying the gravel bed
The base of the trench is then filled with a layer of gravel.
The gravel helps filter out large debris and allows water to flow freely to the drain.
Pipe installation
A perforated pipe is placed in the center of the gravel layer.
Perforations in the pipe allow water to seep into it from the surrounding soil.
Lining the pipe
The pipe can be lined with a geotextile, which prevents sand, soil and small particles from entering the pipe while allowing water to pass through.
A layer of gravel can also be used.
Freeze protection
In Quebec, it’s essential to add insulation, such as extruded polystyrene, above the gravel to protect the drain from freezing.
Final fill
The top layer of the trench can be covered with soil, turf or pavers, depending on the landscaping.
This cover helps to visually integrate the drain into the landscape while allowing water to infiltrate the trench.
Finishing
We restore the landscaping to its original state, respecting the drain cover to allow easy access for future inspections.
Who installs a French drain? Call the specialists!
Excavating the perimeter of your home to install a French drain must be done properly, with the right equipment and materials.
The installation of a waterproofing membrane, combined with the installation of the French drain, offers the best protection for your basement.
Any foundation cracks encountered will be sealed, and strategically placed French drain stacks will help maintain the French drain and preserve its effectiveness over the years.
FAQ
What types of services does Goudron Pagé offer?
French drain installation, inspection and repair.
Crack repair.
Foundation waterproofing.
Polyurea.
How long has Goudron Pagé been in business?
Since 1987, that’s almost 40 years.
That’s 3 generations of expertise at your service.
How do I contact Goudron Pagé for a quote?
Fill out the contact form below, call us at 450.432.5831 or e-mail us at info@goudronpage.com.
Alternatively, you can always contact us via facebook, and a member of our team will get back to you as soon as possible: https: //www.facebook.com/GoudronPageInc
How do I properly maintain a French drain?
To properly maintain a French drain, it’s crucial to check it regularly for any signs of blockage and to clean out any accumulated debris.
Also make sure the ground around the drain is properly sloped to avoid stagnation of water that could seep into the system.
What types of services does Goudron Pagé offer?
French drain installation, inspection and repair.
Crack repair.
Foundation waterproofing.
Polyurea.
How long has Goudron Pagé been in business?
Since 1987, that’s almost 40 years.
That’s 3 generations of expertise at your service.
How do I contact Goudron Pagé for a quote?
Fill out the contact form below, call us at 450.432.5831 or e-mail us at info@goudronpage.com.
Alternatively, you can always contact us via facebook, and a member of our team will get back to you as soon as possible: https: //www.facebook.com/GoudronPageInc
How do I properly maintain a French drain?
To properly maintain a French drain, it’s crucial to check it regularly for any signs of blockage and to clean out any accumulated debris.
Also make sure that the ground around the drain is properly sloped to prevent stagnant water from seeping into the system.
Contact us
Would you like to estimate the work involved?
Do you have visible cracks in your foundation? Do you need to replace your French drain?Or do you need excavation services?
Don’t wait until it’s too late, avoid water damage by contacting Goudron Pagé!
We travel throughout the Lanaudière, Laurentides and Laval regions.
Receive your quote in less than 24h!
Our process enables you to obtain the funds you need to bring your projects to fruition with complete peace of mind, up to a maximum of $100,000.