When To Go For Seal Coating And Crack Filling

When To Go For Seal Coating And Crack Filling

Asphalt paving can last for decades, provided that you perform maintenance.

Whether it is a residential driveway or commercial parking lot, preventative maintenance and timely repairs are crucial to make your asphalt last.

Over time, weather conditions, as well as regular wear and tear, start to damage the surface. And one of the first signs of damage are cracks. Spotting and repairing these in the early stages is easy, cheap and less time-consuming.

However, if you ignore the cracks, further damage and weather changes can make the condition worse, leading to costly repairs. And when it comes to asphalt repairs, they are several options to consider.

Today we talk about seal-coating and crack-filling. If you reside in Charlotte, NC, click here to reach our asphalt experts at SMI Paving.

Why repair cracks?

You shouldn’t ignore cracks in asphalt. Not only do they look they ugly, but they also reduce the lifespan of your asphalt. Asphalt pavement needs a stable base to remain flexible when subject to foot and vehicle traffic. A damaged base can lead to potholes and deep cracks, which ultimately required a complete overhaul.

Even the smallest cracks allow water to seep inside, and moisture causes erosion and weakening in the base. Along with water, sand, oil and debris can also enter the cracks and cause damage. These are some of the reasons why you should go for immediate crack repairs.


The first stage of asphalt repairs is crack-filling. In this process, crack-filler material (like hot-pour rubberized asphalt) is used to cover the cracks. This material bonds well with the surrounding asphalt and this keeps the cracks at bay, at least until the weather changes.

However, crack-filling is a temporary solution until temperatures rise or till the ground freezes. 


Compared to crack-filling, seal-coating is a more durable solution that not only protects your asphalt but also enhances your curb appeal. Seal-coating doesn’t replace the missing asphalt in the cracks, but properly applied sealants create a hard finish so that the cracks don’t expand or contract, even when temperatures change.

Seal-coating protects fuel stains, oil spills, weather and traffic wear and extends the life of your asphalt. Other benefits include:

  • Lower long-term repair costs.
  • Accelerate the melting of snow and ice on the pavement surface.
  • Protect your asphalt from oxidation, oil and chemical spills.
  • Protect your asphalt against rain, frost and snow damage.
  • Improve your curb appeal
  • Prolong your pavement life

When to go for crack-filling?

As already mentioned, crack-filling is a quick fix for small cracks. You can go for crack-filling if you are not expecting sharp weather changes. In this case, the filler material can keep the cracks from expanding and contracting. Moreover, crack-filling is a cost-effective procedure, in case you are running short on budget.

When to go for seal-coating?

Experts recommend that you go for professional seal-coating every three to five years. Of course, this depends on the condition of the surface and the frequency of traffic it is subject to.

At SMI Paving, we perform both crack-filling and seal-coating services in Charlotte, NC. Click here to get an estimate.