Root Barriers

Foundation Root Barriers FAQs

Foundation Root BarrierWhat is a root barrier?

Foundation root barriers can be solid objects, sheets of material, zones of chemically treated soil (typically, the chemicals come in the form of pellets that are attached to a fabric) or any other barrier that keeps roots from growing into areas where they are not wanted.

What type of foundation root barrier does Advanced use?

Advanced installs root barriers made of a three layer plastic membrane.  The second and third layers give extra protection against penetration by root and make the membrane tougher.  By using a tough plastic membrane that is water proof, Advanced’s root barriers have the added benefit of acting as moisture barriers.

Why use a root barrier to protect your foundation?

Roots when they get under foundations can cause foundation damage by drying out the soil under your foundation causing it to settle.  Roots also break into pipes causing extensive plumbing damage. In this case broken pipes lead to over wet soils with will cause foundations to heave.

Foundation root barriers stop the problem before it starts. Installing root barriers will be cheaper than foundation repairs.  Just as brushing your teeth will not always prevent problems, root barriers will not prevent all problems but they will stop most of them.

How long do root barriers last?

Root barriers that are made of concrete, or plastic will last indefinitely.  Chemical root barriers have lives that range from 5 years upwards.  The life of a chemical barrier is strongly influenced by the amount of water that falls on or flows through the treated soil.

How are they installed?

Foundation root barriers are installed by:

  • digging a trench,
  • laying the barrier material in the trench, and
  • refilling the trench.

For concrete barriers, the concrete is simply poured into the trench.

What do foundation root barriers cost?

Root barriers should be at least 3 feet deep.  If they do not go at least one foot deeper than the side of your foundation, they will do no good.  For a standard 3 foot root barrier, the cost is typically around $65.00 per foot with a $1,000 minimum.  The cost may be higher or lower, depending on the types of trees and how close the trees are to the barrier.

Is there a cost advantage compared to foundation repair?

Absolutely!  The minimum price for foundation repairs is $3,000.  The average home foundation repair in Fort Worth and Dallas costs about $7,500.  Foundation root barriers are cheaper and less disruptive to install than foundation repairs.

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