Crack filling is one of the best ways to reduce pavement deterioration. Properly filled cracks prevent water from entering the stone base under asphalt. Once the water enters the base it weakens everything and only gets worse when it freezes. As things expand and contract in winter large voids are created and eventually lead to potholes. When cracks are filled correctly they can dramatically extend the life of asphalt. This an inexpensive process that should be considered every fall before winter comes.
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