Bowing walls occur when a home’s foundation walls curve inward, forming a “bow.” The most common cause of a bowing or leaning wall is excessive lateral pressure on the exterior. When the pressure becomes too much for the wall to handle, it starts to bow, crack, or even break. Common causes of bowing walls are:
- Expansive clay soils expand and contract as the moisture in the ground increases and decreases.
- Hydrostatic pressure, which is an accumulation of water in the soil surrounding the foundation wall that is exerting pressure against the wall.
- Frost can also lead to bowing walls as the soil against the wall freezes and applies pressure.
*It’s important to remember that damaged foundation walls are an indication of a serious problem for the home.
To repair bowing walls, we use a variety of products and techniques: