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The Complete Guide to Asphalt Driveway Sealing

How seal coating protects asphalt from Kansas City's freeze and thaw cycles.

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Why Asphalt Cracks In The First Place

Asphalt is porous, and water that gets into those pores expands when it freezes. That expansion is what causes the cracking seen on older, unsealed driveways.

What A Seal Coat Actually Does

It fills the porous surface and creates a barrier that blocks water from getting in, while also protecting against UV damage and oil or gas spills.

Prep Comes Before Sealing

The surface gets cleaned and any existing cracks filled before sealant goes down. Sealing over dirt or damage is one of the most common reasons a seal coat job fails early.

Cure Time And Weather

Sealcoat needs dry weather above fifty degrees to cure properly. Foot traffic usually needs to stay off for about a day, and vehicles for closer to two.

Frequently Asked Questions

How often should a driveway be seal coated?

Most driveways benefit from a fresh coat every two to three years, depending on sun exposure and traffic.

Can seal coating be applied in cold weather?

No, it needs dry weather above fifty degrees to cure properly.

Does seal coating fix existing cracks?

Cracks get filled with a hot pour filler as part of the process before sealing, so existing cracks are addressed first.

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