City of Franklin, TN
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Rejuvenating Sealer:
Roads break down over time, but a rejuvenating fog seal developed by the asphalt industry can delay that process. Some products contain a proven rejuvenator and a polymer-modified asphalt base that provides a denser film thickness for increased durability and resistance to tracking.
At an average cost of $2.35 per square yard, rejuvenators are a cost-effective way to extend the life of a roadway by roughly 5-6 years.
Rejuvenators can be applied to all types of roads (as long as they are not in critical condition). In addition to preventative maintenance, rejuvenators can be used to correct more severe distresses than conventional fog seals, such as oxidation, raveling and top down fatigue cracks.
A conventional fog seal should not be used on surfaces with low friction resistance and should be used with caution on surfaces carrying traffic over 35mph.
According to a study completed by the Federal Highway Administration entitled “Prevention is the Cure,” the use of fog seals is an easy and cost-effective way to delay roadway breakdowns and further postpone major construction.
Best Practices
- The surface that will receive the seal should be cleaned and prepared.
- Seal cracks ¼” or greater after application.
- Allow the emulsion to cure before opening road to traffic.
Conventional Fog Seal Treatments:
The best time to prevent a problem is before it becomes a problem. Similar logic can be applied to road preservation. Conventional fog seals, which are diluted asphalt emulsions applied to the road via distributor truck before signs of pavement distress appear, help to renew the surface asphalt and extend the life of the roadway.
At an average cost of $1.55 per square yard, a conventional fog seal can extend the life of a roadway by roughly one to two years, making it one of the most cost-effective preventative maintenance treatments.
A conventional fog seal’s primary purpose is pavement preservation. It can be used on all road types to address mild oxidation, raveling and seal hairline cracks.
A conventional fog seal should not be used on surfaces with low friction resistance and should be used with caution on surfaces carrying traffic over 35mph.
According to a study completed by the Federal Highway Administration entitled “Prevention is the Cure,” the use of fog seals is an easy and cost-effective way to delay roadway breakdowns and further postpone major construction and rehabilitation.
Best Practices
- The surface that will receive the seal should be cleaned and prepared.
- Seal cracks ¼” or greater prior to or after application.
- Always allow a full cure before allowing traffic to return to prevent tracking.