Being a Home Inspector In McKinney for many years I have seen that if home owners would just put a small effort in their maintenance around their home it could save them thousands of dollars in repair in the long run.
This is the fourth of a four part seriesd on foundation maintenance
Foundation Maintenance Program
Highly plastic clay soils, as are typically found in the DFW area, exhibit a great amount of expansion and contraction caused by seasonal moisture changes and varying weather conditions. Clay soils that become too dry will shrink and not be able to maintain the physical elevation of a structure's foundation. High ambient temperatures and long periods of inadequate rainfall can cause moisture loss several feet below the surface and take a devastating toll on foundations in the DFW metroplex. Conversely, clay soils that become overly saturated can lose their load-bearing capacity. Guidelines regarding residential foundations and soil moisture changes:
Tip # 4 -
Do not plant trees or shrubs next to the foundation because their roots sap moisture from the soil, both at the foundation and under the slab. This then lowers the moisture content of the active supporting soil at various places which can cause differential settlement of the foundation. Trees, in particular, should be planted no closer than their expected growth height. (i.e. if a tree is anticipated to grow to 30 feet tall, it should be planted at least 30 feet away from the house.) Also, certain fast-growing bushes (like red-tipped photenias) should be avoided completely if possible because they consume large amounts of water, hence fast-growing.
Most major foundation movements can be prevented if the active supporting soil is well maintained. The extent of distress will be lessened and the service life of the residence will be considerably increased.
If you have any questions at all, please reply or as always, call me!
Ricky Ellis 214.533.2536
Senior Inspector
Safety First Home Inspections TREC # 9032
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