Wall Cracks: What They Tell You About Your Foundation
Cracks in the walls of your home or business aren’t just cosmetic—they’re often one of the earliest warning signs of foundation issues. While unsettling, the pattern, direction, and shape of these cracks can provide helpful insight into what’s going on beneath your structure.
When you notice new or expanding cracks, it typically means your foundation is shifting, settling, or reacting to soil pressure. Identifying the type of crack can help determine the root cause.
Why You Shouldn’t Ignore Wall Cracks
Even small cracks can grow over time and lead to serious structural problems. Cracks often mean that your foundation is no longer level or stable, which can affect everything from your flooring to your windows and doors.
If left untreated, foundation issues can lead to:
- Water intrusion
- Decreased property value
- Structural instability
- Expensive repairs down the line
Types of Wall Cracks & What They Indicate
| Crack Type | Likely Cause |
| Angled or Horizontal Cracks | Bowing walls due to soil pressure |
| Angled Only | Settlement or sinking |
| Combination of Vertical & Horizontal | Bowing or settlement |
| Center Converging Cracks | Bowing or inward wall movement |
| Horizontal Only | Bowing from hydrostatic pressure |
| Stair-Step Cracks | Heaving or uneven settlement |
| Vertical Only | Heaving or settlement |
| Vertical – Wider at Top | Side or differential settlement |
| Vertical – Wider at Bottom | Central foundation settlement |