Edmonton’s winters are no joke! ❄️ With extreme temperature swings, the city’s freeze-thaw cycle puts a lot of stress on home foundations—often in ways that homeowners don’t see until it’s too late.
We spoke with Gus Guzman, owner of Atta-Boy Property Inspections, to break down how the freeze-thaw cycle impacts foundations, what warning signs to look for, and how to prevent costly repairs.
What is the Freeze-Thaw Cycle?
Edmonton experiences drastic temperature fluctuations, especially in winter and spring. The freeze-thaw cycle happens when:
- Water from melting snow and rain seeps into the soil around your home.
- Temperatures drop, causing the moisture to freeze and expand, putting pressure on the foundation.
- As temperatures rise, the ice melts, the soil contracts, and the cycle repeats.
This constant expansion and contraction can cause shifting, cracking, and long-term foundation damage.
How Does the Freeze-Thaw Cycle Affect Foundations?
1. Foundation Cracks & Shifting Walls 🚧
As the ground expands and contracts, it pushes against foundation walls, leading to cracks and movement.
What to Watch For:
- Cracks in basement walls or floors.
- Doors and windows that stick or won’t close properly.
- Uneven flooring inside the home.
2. Water Seepage & Basement Leaks 💦
When the frozen ground melts, water flows toward the lowest point—often right into basements.
What to Watch For:
- Water stains or dampness in the basement.
- A musty smell, which can indicate hidden moisture.
- White, powdery residue on basement walls (efflorescence), which signals water intrusion.
3. Soil Settlement & Sinking Foundations 🏚️
Over time, freeze-thaw cycles cause soil movement, making some parts of a foundation sink or settle unevenly.
What to Watch For:
- Cracks in exterior walls or brickwork.
- A noticeable tilt in your home.
- Gaps between walls, ceilings, or floors.
How to Protect Your Foundation from Freeze-Thaw Damage
1. Maintain Proper Grading & Drainage 🌊
- Ensure the ground slopes away from your home to prevent water pooling near the foundation.
- Extend downspouts at least 6 feet away from your home.
- Regularly check gutters to make sure they are clear of debris.
2. Seal Foundation Cracks Before They Worsen 🏗️
- Even small cracks can allow water to seep in and expand during freezing temperatures.
- Use foundation sealants for minor cracks or call a professional for larger ones.
3. Install a Sump Pump or Waterproofing System 💧
- If your basement frequently gets damp, consider a sump pump or interior waterproofing system.
- These systems redirect water away from the foundation, preventing flooding and long-term damage.
4. Schedule a Home Inspection for Early Detection 🔎
- A professional home inspection can identify foundation movement before it becomes a costly repair.
- Using thermal imaging, inspectors can detect moisture buildup behind walls—a major warning sign of water infiltration.
Final Thoughts: Stay Ahead of Edmonton’s Harsh Climate!
Edmonton’s freeze-thaw cycle is unavoidable, but foundation damage doesn’t have to be! With proper maintenance, homeowners can protect their foundations and avoid costly repairs down the road.
🏡 Thinking of buying or selling? A home inspection can help identify foundation concerns before they become major issues.
👉 Up next: We break down the biggest red flags that could lead to major home repair costs—and how to spot them before it’s too late! Stay tuned.
Have foundation concerns? Drop your questions in the comments! ⬇️
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