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Root Cracks
Tree roots can cause significant cracking and upheaval of asphalt pavements. This can result in significant tripping hazards, posing liability risk on the owners of the property.
Unfortunately the best method of repairing these cracks may place the adjoining tree at risk of dying. This is a consequence that the property owner/manager needs to be aware of. This method requires the area to be cut out and the offending roots sawcut and removed from the area prior to reconstruction of the base and asphalt.
Sometimes the increased risk of harm to the associated tree is unacceptable. In these cases, the cracks can be sealed with a hot-pour crack filler, but this treatment will not address the potential tripping hazard. Alternatively, a thick layer of asphalt can be placed over the roots to smooth out the tripping hazards, but the roots cracks will eventually reflect through.