Fog seals are primarily used to “seal” a porous roadway or as the final application during a chip seal. Rejuvenating seals are typically applied to roadways that are 2-4 years old with minor cracking. The purpose is to “rejuvenate” the roadway by adding the naturally occurring “oils” back into the roadway that have oxidized out of the pavement. This adds life to the pavement and allows it to perform better and be more flexible.
Both fog seals are applied using Caltrans specifications.
- Increases aggregate retention
- Prevents oxidation
- Is a sealed surface
- Creates a smoother appearance
- Reduces raveling
- Increases visibility of pavement markings
- Extends pavement life
About Fog Seals
These are two of many pavement preservation strategies used to defer surface degradation… [type more later]