Trees growing near a home are often a source of worry to a homeowner, mainly because of the roots. And while tree roots can do damage to a home’s foundation, it’s probably not for the reason many believe. Those roots, in fact, won’t be able to push through the foundation, buckling it in spots. Rather, roots can rob the soil near the foundation of crucial moisture. Soil subsidence and loss of key foundation support then develops.
Step Two
Roots - The roots of a tree just aren't able to push their way through foundation walls and are often easily turned away by simple barriers. However, they do remove a lot of moisture from adjacent soil, drying it out. Also, as they grow larger over the years they can further loosen soil, heaving some of it out of their way. As a result, a pressure imbalance develops between the soil and the foundation, leading to outward bowing.
Step Three
Location - In many cases, tree root systems that have managed to create soil settling or subsidence are within 16 feet or so of a home. Remember that tree roots grow outward to search for water. If you keep any trees, bushes and shrubs near your home properly watered, there's little chance of them creating problems. Usually, those within 20 to 30 feet of your house will benefit the most from regular watering.
Step Four
Warning - House foundations act as effective root barriers. However, roots will continue to search for water. And they may go after your underground water pipes if there are any leaks. Also, certain species of tree are more thirsty than others, especially if they're larger types. These include oaks, which have extensive root systems. If you plant a tree near your house, try for at least slightly farther away than half the width of its maximum branch spread at maturity.
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