Expectations
When used as a preservation treatment on roads in good condition, agencies can expect a lifespan of up to ten years. When ultra thin lift asphalt is applied on substandard roadways, it's lifespan will be reduced to just a few years.
- Ensure ultra thin lift is rolled quickly after application. Because of the thin application, the mixture cools quickly and must be rolled in a timely fashion to achieve density and prevent early raveling.
| Ultra Thin Lift HMA | Optimum Performance | Average Performance | Stop-Gap Performance |
|---|---|---|---|
| Pavement Condition | A-B | B-C | C |
| PCI Range | 75+ | 65-75 | 55-65 |
| Life Extension | 8-10 | 6-8 | 4-6 |
As with all preservation treatments, the life extending benefit of Ultra Thin HMA is determined by the condition of the existing pavement. Other factors affecting Ultra Thin Asphalt performance is climatic conditions, material quality and construction quality.
EXAMPLES OF ROADS THAT HAVE BEEN TREATED WITH Ultra Thin Lift HMA OVER VARIOUS STAGES IN SERVICE LIFE:
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3 year ultra thin lift
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