Asphalt doesn't fail overnight. It degrades gradually — oxidizing from UV exposure, cracking from freeze-thaw cycles, weakening from water intrusion. By the time you see obvious damage, the surface has usually been compromised for months or years.

The good news: sealcoating stops most of that degradation cold. A properly applied sealcoat blocks water, UV rays, oil, and road salts from penetrating the surface. It buys your pavement years of extra life at a fraction of the cost of replacement.

Here are the five signs your lot is telling you it needs sealcoating now:

1. The Color Has Turned Gray or Brown

Fresh asphalt is deep black. Over time, UV exposure oxidizes the bitumen binder, turning the surface gray or brown. This isn't just cosmetic — oxidized asphalt is brittle and significantly more susceptible to cracking.

If your lot looks washed out or faded, the surface is already degraded. Sealcoating restores the protective layer and locks out further oxidation.

2. You Can See Surface Cracks Starting

Hairline cracks — sometimes called "alligator" or map cracking in early stages — are your lot asking for help. These cracks might look minor, but they're open channels for water to get under your pavement.

One inch of water under asphalt can cause 10× more damage in a single Indiana freeze-thaw cycle than a full season of surface wear.

Crack filling + sealcoating at this stage is a straightforward fix. Waiting until cracks become potholes is a repair job that costs 5-10× more.

3. Water Is Pooling Instead of Draining

Standing water is a warning sign for two reasons. First, it means your lot's drainage is compromised — either from surface deterioration or grade issues. Second, every day that water sits on asphalt is another day of penetration damage.

If you see pooling after rain, get the surface assessed before winter. Freeze-thaw cycles will expand any water-filled cracks dramatically.

4. You Can't Remember the Last Time It Was Sealed

Industry standard is to sealcoat asphalt every 3-5 years under normal commercial traffic. If you can't remember when it was last done — or if you inherited the property — there's a good chance it's overdue.

A quick visual inspection by a professional can tell you exactly where you stand. Most property managers are surprised to learn how far behind their maintenance schedule actually is.

5. The Aggregate (Rocks) Is Visible

When you can see the individual aggregate — the small stones that make up the asphalt mix — through the surface, the binder has worn away. This means you've lost the first line of structural protection.

At this stage, sealcoating is still the right move, but it needs to be done promptly. Once aggregate loss becomes widespread, you're looking at more aggressive surface treatment or partial repaving.

What to Do Next

  • Walk your lot and look for fading, cracking, or pooling water
  • Check the edges and high-traffic areas first — they deteriorate fastest
  • If you see any of the signs above, call for a free estimate before winter
  • Bundle sealcoating with crack filling for maximum protection per dollar

PaveLock serves Indianapolis, Greencastle, and the surrounding area. If you want an honest assessment of your lot's condition, call us — estimates are always free.