In order to explore effective solutions, you have to understand the different causes of a sinking foundation. Read on to learn four common causes and how to address them.
Excessive Soil Moisture
One major cause stems from the soil itself, particularly when it’s too moist. Excessive moisture can come from heavy rains, floods, or even poor drainage around your home’s foundation. When soil absorbs too much water, it expands, and when it dries, it contracts. This continuous cycle can lead to the soil losing its ability to support the weight of your home, causing the foundation to sink.
Poor Soil Type and Composition
The type of soil your home is built on plays a significant role in foundation stability. Some soils, like clay, expand and shrink significantly due to moisture changes, which leads to uneven foundation settling. Sandy and loamy soils, while having better drainage, can wash away during heavy rainfalls, creating voids under the foundation. Understanding your soil type can give you insights into potential foundation issues.
Poor Construction Practices
Sometimes, the fault lies in the construction of the building itself. Poor construction practices, such as inadequate soil compaction before laying the foundation, can lead to sinking. If the ground under the foundation isn’t compacted properly, it can’t support the structure’s weight, leading to gradual sinking as the soil settles over time.
Environmental Changes
Lastly, environmental changes play a significant role in foundation issues. Factors such as erosion, tree root growth, and seismic activity can alter the ground beneath your home. For instance, large trees growing near your home can absorb moisture from the soil, causing it to shrink and leading to foundation sinking.
How To Address a Sinking Foundation
Once you identify why your home’s foundation is sinking, you can address it. One of the most popular methods is foam jacking to lift and stabilize concrete. Mud jacking and the installation of various types of piers are other methods. Talk with experts about the solution that will work best for your home’s situation.
From soil issues and construction faults to external environmental changes, the different causes of a sinking foundation all lead to the same issue. Once you identify the cause, you can address this serious problem.
Image credit: FILE #: 503206224 By The Toidi
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