Sealer and Filler FAQ

How long does gilsonite sealer last?
Typically 2–4 years.

Can I seal new asphalt?
Wait until it has cured, often several months.

Does sealer fix cracks?
No, fill cracks first.

Is it slippery?
Some sealers include sand for traction.

What is the difference between a sealer and a filler?
A sealer is a thin coating that protects the surface. A filler or crack sealant fills individual cracks or joints.

Can sealer be applied over cracks?
Seal cracks first; sealer alone cannot bridge them.

How long before traffic can return?
Usually several hours to a day, depending on product and weather.

Why does my sealer look patchy?
Uneven application, dirty surfaces or applying in cool, humid weather.

Which gilsonite grade do sealer manufacturers use?
Highly soluble, low-ash grades that dissolve quickly in solvent or hot bitumen.

Does sealer make the surface slippery?
Freshly sealed surfaces can be smoother; many products add fine sand for traction.

See sealer and filler grade gilsonite.