Fort Collins sits on some of the most expansive soil in the United States — Pierre Shale with high bentonite content. This makes foundation repair here fundamentally different from most other regions.
Fort Collins Bentonite vs Typical Soils
- Expansion rate: Bentonite expands 15x vs typical clay at 2-3x — dramatically more pressure on foundations
- Water absorption: Bentonite acts like a sponge — can hold water for weeks after snowmelt
- Freeze-thaw damage: Combined with 30+ freeze-thaw cycles per winter — multiplies foundation stress
- Pier depth required: Fort Collins typically needs piers driven 20-30 feet deep vs 10-15 feet in other regions
More Comparisons
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