Is Sealcoating Suitable for Older Asphalt Surfaces?

October 4, 2025
Share This Post
Need a Quote?

Get professional line painting services for your property.

Get a Free Quote
Is Sealcoating Suitable for Older Asphalt Surfaces?

Is Sealcoating Suitable for Older Asphalt Surfaces?

Maintaining asphalt surfaces is essential for prolonging their lifespan and keeping parking lots safe and visually appealing. But when it comes to older asphalt, is sealcoating still an effective solution? In this post, we explore the suitability of sealcoating for aged asphalt surfaces and how companies like Capital Parking Lot Line Painting in Peterborough can help.

Sealcoating Asphalt Surface

Understanding Sealcoating and Its Purpose

Sealcoating is a protective coating applied to asphalt surfaces to shield them from damage caused by UV rays, water penetration, oil spills, and general wear and tear. It creates a barrier that helps prevent cracks and deterioration, making it a popular maintenance practice for parking lots, driveways, and roadways.

Challenges of Older Asphalt Surfaces

Older asphalt surfaces, especially those beyond 10-15 years, often face unique challenges that influence whether sealcoating is appropriate:

  • Cracking and Potholes: Extensive cracks or potholes can indicate structural failure.
  • Oxidation: The asphalt binder hardens and becomes brittle, leading to surface flaking.
  • Drainage Issues: Settling or warping can cause water to pool, accelerating damage.

These factors mean that simply applying a sealcoat may not be enough and could even trap moisture under the surface, worsening the damage.

When Is Sealcoating Appropriate for Older Asphalt?

Sealcoating remains a valuable option for older asphalt when certain conditions are met. Capital Parking Lot Line Painting, serving Peterborough and surrounding areas, recommends evaluating the surface carefully to determine suitability.

Signs Sealcoating Can Help:

  • Minor surface cracks that have been properly repaired.
  • Asphalt that is oxidized but structurally sound.
  • Well-drained areas with no standing water.

In these cases, sealcoating can restore the surface’s protective layer, enhance curb appeal, and prepare the area for fresh line painting or marking.

When to Consider Alternatives

If the asphalt shows signs of deep cracking, potholes, or base failure, sealcoating alone won’t suffice. Capital Parking Lot Line Painting advises that these areas may require patching, overlays, or even full replacement before sealcoating can be applied effectively.

Benefits of Sealcoating Older Asphalt When Done Right

  • Extended Lifespan: Protects the surface from further oxidation and damage.
  • Improved Appearance: Provides a fresh, black finish enhancing visual appeal.
  • Cost-Effective Maintenance: Delays the need for costly repairs or replacements.
  • Better Surface for Line Painting: Creates a smooth, clean base for clear and lasting line markings.

Sealcoating Process Overview

For optimal results on older asphalt, Capital Parking Lot Line Painting follows a thorough process:

  • Inspection: Assess the condition of the asphalt and identify repairs needed.
  • Preparation: Clean the surface thoroughly to remove dirt, debris, and vegetation.
  • Repairs: Patch cracks and potholes to ensure a stable surface.
  • Application: Evenly apply sealcoat using professional equipment.
  • Drying: Allow sufficient curing time before reopening to traffic.

Why Choose Capital Parking Lot Line Painting in Peterborough?

Serving one of Ontario’s top 30 cities, Capital Parking Lot Line Painting brings local expertise and industry experience to every project. Their team understands the unique climate and wear patterns in Peterborough, ensuring that older asphalt surfaces receive the right treatment—whether that’s sealcoating or recommending alternative solutions.

Image Thumbnail

Sealcoating Asphalt Surface Thumbnail

Conclusion

Sealcoating can be suitable for older asphalt surfaces when applied under the right conditions and with proper preparation. Companies like Capital Parking Lot Line Painting in Peterborough are invaluable partners in evaluating and maintaining your asphalt investment, helping to extend its life and maintain safety and appearance. If your asphalt is aging but structurally sound, sealcoating paired with professional line painting can revitalize your parking lot or driveway.

Connect with Us on Social Media


Back to Blog
When Is the Right Time of Year to Fill Cracks in Asphalt?
When Is the Right Time of Year to Fill Cracks in Asphalt?

Discover the best time of year to fill cracks in asphalt and how proper timing can extend pavement l...

How Parking Lot Markings Can Improve Traffic Flow
How Parking Lot Markings Can Improve Traffic Flow

Discover how parking lot markings enhance traffic flow, safety, and space utilization in London, Ont...

Pavement Marking for Mixed-Use Parking Lots: What You Need to Know
Pavement Marking for Mixed-Use Parking Lots: What You Need to Know

Discover essential insights on pavement marking for mixed-use parking lots in London. Learn how Capi...

Ready to Transform Your Parking Lot?

Get professional line painting services for your property

Request a Quote

Need a Quote?

Get a free quote for your parking lot line painting project!

Get a Quote Now