Chip off the old block: Why chip seal is important for roads
What’s the deal with chip seal? It may seem like a nuisance, but it’s really helping roads last another five to eight years, depending on the surface below.
Chip seal means adding a protective coating to an existing road surface. Trucks use asphalt emulsion or hot liquid asphalt and then cover it with aggregate, which is a very specific mix of several types of natural stone. Chip seal:
- Prevents water from penetrating the roadbed
- Fills and seals cracks in old pavement
- Provides an improved reflective surface for nighttime driving and an anti-glare surface during wet weather
- Provides a skid-resistant surface
- AND Chip seal is 15-20% cheaper than pavement overlays!
Remember: Take it slow when driving through a new chip seal. Driving too fast can cause loose chips to fly, creating a hazard to pedestrians, motorcyclists and your windshield. A good rule of thumb is 35 mph or lower.
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