What Is Coal Tar Sealing?
Coal tar sealing protects asphalt from water, oil, and sun damage.
It creates a dark, even finish. It slows cracks and surface wear. It keeps your driveway strong through freeze and thaw cycles in Hamilton.
Why Homeowners in Hamilton Choose Coal Tar Sealing?
Driveways in Hamilton take a beating.
- Winter freeze-thaw cycles expand cracks
- Snow and ice sit on the surface for months
- Summer heat dries out asphalt
- Coal tar sealing helps prevent this damage.
It seals the surface and reduces breakdown caused by weather and traffic.
When Should You Consider Coal Tar Sealing?
1. Your driveway is aging but not damaged. If your asphalt:
- Looks faded (gray instead of deep black)
- Feels dry or slightly rough
- Has very small surface cracks (hairline)
That’s the perfect time. Sealing at this stage prevents bigger damage.
2. It’s been 2–3 years since the last seal. Coal tar sealing isn’t one-and-done. A good rule:
- Every 2–3 years for residential driveways
- More often if it gets heavy use or harsh weather
3. You want protection from weather + chemicals. Coal tar is especially useful in climates with:
- Freeze/thaw cycles (common around Hamilton and nearby areas)
- Oil or gas drips
- Strong sun exposure
It acts like a protective barrier, slowing down oxidation and cracking.
4. You care about appearance. Coal tar gives that:
- Deep black finish
- “fresh look"
Great for curb appeal or before selling a property.
