Slurry seal is a mixture of fine black aggregate (bits of rock and gravel) and emulsified asphalt. Asphalt emulsions serve as a binder, holding the crushed aggregate together as well as bonding the slurry seal to the old pavement. Slurry seal is designed to fill minor surface holes and restore the skid resistance of the original pavement surface.
Benefits of slurry seal:
- Fills the cracks and holes, extending the useful life of the asphalt by keeping air and water out, which helps stop oxidation
- Provides a thin surface treatment that does not require milling (removal) of the pavement and resetting of utilities
- Improves safety by providing a high skid-resistant surface
- Improves the esthetic value by providing a uniform black color
- Expenses are about a third of the cost of resurfacing
Slurry sealing steps:
- Repair drainage structures
- Replace deficient curb
- Repair the surface course
- Seal cracks on the surface course
- Apply the slurry seal
- Apply pavement markings
There may be delays between each step due to the type of maintenance and/or the contractor’s schedule. The City of Mason works with the contractor to balance the completion of the items in a timely manner with the flexibility required to get the best pricing.
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