Cracksealing is a first defense against pavement deterioration offering several important benefits. Effective cracksealing keeps water from entering and weakening the base or sub-base. It helps preserve the pavement adjacent to the cracks; prevents sand, stone, and dirt from making its way into open cracks causing compressive stresses; and extends pavement life by minimizing crack growth.
Proper attention to cracks prevents problems from spreading and doubles the life of the pavement. Pavement repair in early stages of deterioration pay big dividends later delaying costly resurfacing.
In the crack sealing process large cracks or gaps are filled with a hot liquidized rubber component. This material does have to cure however when topped with black sand it can be driven on sooner. Please let your Pro-Seal contact know prior to signing contract how long you are able to keep repaired sections blocked off to traffic.
Fatigue or alligator cracks cannot be cracksealed. Why, you ask?
Over time, a flexible asphalt pavement becomes more rigid and is less able to tolerate vertical deflections. This causes tension in the pavement and results in alligator-type cracking. Such cracking can also occur from structural inadequacy, aging, and oxidation.
It is generally recommended that alligator areas be removed and replaced rather than filled or sealed.