How to tell a cosmetic crack from a structural problem in Minnesota's freeze-thaw climate. This guide is written for Minnesota homes by Closer Look Inspectors.
Why Minnesota foundations move
Seasonal freeze-thaw cycles and clay soils drive foundation movement statewide. Common observations include settlement cracks, step cracking in block walls, bowing walls, floor movement, and water intrusion.
Cosmetic versus structural
Not every crack is a crisis. We separate routine settlement from active structural movement and water entry, evaluating cracks alongside wall movement, moisture readings, and grading, so you know whether a crack is cosmetic or a real budget line.
What drives the water in
Most foundation water entry traces back to negative grading and short downspouts. Correcting drainage is often the first and cheapest fix.
Quick checklist
- Freeze-thaw and clay soils drive movement
- Not every crack is structural
- We assess movement, moisture, and grading
- Drainage is often the first fix
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