Why do so many foundations crack in San Antonio Texas?

The soil in the San Antonio area which includes Converse, Kirby, Cibolo, Schertz, Selma TX is composed of what is known as expansive clay soil. This soil type is very prone to expansion and contraction in the presence or absence of water. In a stable climate, this type of soil would not be as much of a concern. But the San Antonio area is known for its variable climate between seasons and even day to day. There can be long stretches of drought followed by torrential rains and flooding. These climatic conditions in combination with the expansive clay soil puts a lot of stress on the foundation as the soil expands and contracts with the weather. It is this dynamic between climate and soil type that causes San Antonio to be an area prone to foundation issues.  There are also huge variations in temperature that cause the clay soil under your home's foundation to buckle and bow and eventually crack.  A foundation expert can show you ways to prevent a cracked foundation with suggestions such as french drains to control moisture around your foundation, gutters and even certain irrigation systems - although Alamo City Foundation Repair doesn't offer these services, we can give you great advice before seeking out quotes on these services!

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