When it comes to your home’s foundation, what’s under it can be just as important as the materials it’s built with. The type of soil beneath your home plays a major role in how stable—and how long-lasting—your foundation will be.
At Dunwell Structural Repair, we’ve worked on homes all across central North Carolina, and we know firsthand that soil conditions vary from town to town—even from one street to the next. Knowing what you’re working with is key to understanding the best repair or prevention options.
🧱 Why Soil Type Matters
Soil affects how your home settles, shifts, and drains. Certain soil types expand when wet and shrink when dry, putting pressure on your foundation or leaving gaps beneath it. Over time, this can lead to:
- Uneven floors
- Wall or ceiling cracks
- Sticking doors and windows
- Foundation settlement or bowing walls
🏡 Common Soil Types in Central NC
Here are a few types of soil we often encounter across our service area—from Statesville to Raleigh and Mayodan to Charlotte:
1. Clay Soils (common in the Piedmont region)
- Expands when wet, contracts when dry
- Creates pressure against foundation walls
- Poor drainage can increase moisture problems
2. Sandy Soils
- Drains easily but may not offer much support
- Can lead to shifting or sinking foundations if not compacted properly
3. Silty Soils
- Retains moisture and drains slowly
- May cause soft spots or erosion beneath your foundation
4. Rocky or Loamy Soils
- Typically more stable
- Better drainage and less movement overall
🛠️ How We Address Soil Challenges
Our team tailors each foundation repair to the specific soil conditions at your home. That may include:
- Installing piers or underpinning for extra support
- Improving drainage or grading
- Encapsulating your crawl space to control moisture
- Using soil stabilization techniques when needed
Let’s Take a Look Beneath Your Home
If you’re unsure what type of soil your home sits on—or you’ve noticed signs of shifting or moisture problems—it’s a good time to schedule an inspection.
📞 Call us at 336.867.0298 or visit 🌐 dunwellsr.com to set up your free estimate today.
We’ll help you understand what’s happening underground, and what you can do to protect your foundation for the long haul.