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Slurry Seal
Slurry Seal composite
The surface of asphalt streets oxidizes and deteriorates over time. This deterioration occurs slowly at first, but then begins to increase as time wears on. With increased usage of streets, the deterioration begins to show as cracking, potholes, divots, and/or ruts. Fine cracks allow water to penetrate into the subgrade, which becomes saturated and unstable, allowing pavement flexing and potholes to form.

What is slurry seal?

Slurry seal is a water-based, emulsified asphalt and stone dust mixture spread one-eighth inch thick over the street surface. It protects streets from water penetration, provides a new surface with improved skid-resistance, and is a quick and economical repair method. Treatment with slurry seal can increase a street's longevity by seven to 10 years, extending the time before resurfacing or replacement is required.

Proposed Budget FY 17 - 18 Contractual Slurry Seal