Pest Advice Blog

Clay Soil in Dallas, TX Could Mean Easy Entry for Pests and Termites

It is well documented that certain areas of both north Texas and Dallas-Fort Worth have long standing issues with housing foundation movement. While there can be numerous factors associated with the “how” and the “why” a home’s foundation shifts over time, the overwhelming cause is a result of soil movement (i.e. contracting and expanding).

Many houses, particularly those in north Texas lie on top of clay soil that interacts with moisture differently than do most other soil types. Clay soil has properties comparable to a sponge, expanding with higher levels of moisture and contracting when less moisture is present. When parts of the foundation move disproportionately to others, the remaining areas of the foundation are under distress. This constant duress over time causes cracks in the foundation that eventually cause cracks in surfaces such as brick and dry wall in and outside the home.

Cracks in a structure’s foundation do not have to create structural issues for them to be a problem. Small cracks in a home’s foundation or walls can grant easy access for common household pests. North Texas and Dallas-Fort Worth residents are no stranger when it comes to pest issues such as ants, cockroaches, beetles, and spiders.

One “silent destroyer” especially prevalent is the termite. Despite the devastating damage they’re capable of causing, termites are roughly only a few millimeters to 1 centimeter in length. The termite’s small size is particularly problematic if there are drywall cracks in your home due to the fact that termite swarms gain entry into your home practically undetected through these small cracks.

Subterranean termites specifically pose a very serious threat when the foundation of your home shifts drastically, considering they enter a home upwards from the ground, making any cracked slabs of concrete or expansion joints a potential infiltration point. A slight crack as narrow as 1/64th of an inch, is enough for termites to squeeze through, especially if that same crack is emitting a source of moisture, which in turn makes plumbing pipes critical areas to monitor.

Truly Nolen’s Total Termite Protection PlanSM is the most comprehensive termite control program in the industry (covering all species of termite), as it is backed by a $1 Million Dollar Guarantee. For more information on scheduling your Free inspection for your Dallas, TX home visit: or

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