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Crack Sealing Benefits and Techniques
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In fact, roads that have been crack sealed have better rideability five years later than other surface treatments, such as chip seals, micropaving, thin overlays and slurry seals. In five years these other treatments have come to the end of their life cycle. Roads and bridges that are crack sealed last longer than those that are not. Sealing prior to surface treatments enhances the treatment and further extends the pavement life. At a time when highway crew manpower is shrinking, along with the funds to support road maintenance, crack sealing stands out as an economical maintenance technique. The overall success of pavement maintenance systems that include crack sealing, combined with the generally low cost, make crack sealing a desired maintenance program. Crack sealing provides the most cost-effective use of dollars over time compared to other pavement maintenance techniques.

  U.S. Roads: Crack_Sealing_Benefits_and_Techniques.pdf