Can You Install a French Drain in Winter Even if the Ground Is Frozen?
- Alexandre Provencher

- Jan 21
- 2 min read
When winter sets in and the ground is frozen, many homeowners wonder if it is still possible to install a French drain. The short answer is yes—anything is possible. However, it is important to note that installing a French drain in frozen ground comes with significant cost increases. But what if there was an alternative that cost less, was less invasive, and worked just as effectively? Let us explore this possibility.
The Indoor Solution: Installing an Interior French Drain
One alternative to the traditional exterior French drain is an interior French drain. This solution is ideal in certain scenarios, such as:
When planning to completely renovate your basement. If you are already stripping the basement down to the foundation walls, installing an interior French drain becomes much more practical.
After a recent flood. If you have experienced water damage and want to prevent mold buildup or future flooding, an interior French drain can provide peace of mind.
When you have existing landscaping or structures near your home. If you have new paver driveways or walkways, carefully designed landscaping, pools near the house, or neighbors close by, an interior French drain can prevent the need to demolish or disturb these features. This can make it an added benefit to choose an interior installation.
Interior French drains are as efficient as exterior French drains at keeping water out of your basement. They capture water that seeps in and direct it away from your home, ensuring a dry and usable basement space. Plus, this method avoids the need for exterior excavation, which can be difficult and costly in the winter months.
The Downside of an Interior French Drain
While an interior French drain is an excellent solution for many homeowners, there is one notable drawback: it does not protect the exterior foundation walls from water or humidity. Over time, this can lead to damage to your foundation walls, such as cracking, spalling, or weakening, because the water remains in contact with the outer surfaces of the foundation.
Why Choose an Interior French Drain in Winter?
Cost-Effectiveness: Compared to the labor-intensive process of excavating frozen ground, an interior French drain is often more affordable.
Less Invasive: No heavy machinery is required to dig around your home’s perimeter, preserving your landscaping.
Seasonal Feasibility: Winter weather does not impact the installation of an interior French drain since it is installed entirely indoors.
Conclusion
While it is possible to install an exterior French drain during winter, the challenges of frozen ground make it a costly and invasive process. An interior French drain provides a practical and efficient alternative, especially during the colder months. It also eliminates the need to disturb or demolish existing landscaping, driveways, pools, or nearby structures. However, it is important to weigh the benefits against the fact that it does not protect your exterior foundation walls from moisture.
If you are considering installing a French drain this winter, contact Bon-Drain for expert advice. We can help you determine whether an interior French drain is the right choice for your home and ensure a professional installation tailored to your needs.





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