It occur for a variety of reasons, from improper sub-bases and sub-grades, to inadequate compaction, to water erosion, and even pipes or holes that are drilled under the concrete after it is in place. Such was the case with the picture below. The cable company came and drilled a hole under the driveway in order to run some new cables up to the house, leaving a substantial void. This problem could have been avoided had this section of driveway had this void filling.
Kodiak Concrete Lifting LLC will fill voids before it is too late and the only option you are left with is tear out and replacement, such as the example below. Contact us for your free bid today!