Pave It, Preserve It

What Determines the Cost of Sealcoating Your Parking Lot?

by Mildred Fisher

Sealcoating your parking lot is a relatively big job, but it's important to maintain the quality of your asphalt and present a professional image to your customers. Without sealcoating, asphalt will deteriorate more quickly while becoming more faded and less attractive. However, the cost to sealcoat a parking lot can vary significantly depending on the size of the project.

While there's no way to know exactly how much the job will cost without receiving an estimate from a local contractor, you can make some educated guesses. This guide will go over the three factors most likely to influence the cost of sealcoating and maintaining your business's asphalt parking lot.

1. Square Footage

The overall square footage of your parking lot will have the largest impact on the cost of sealcoating. Larger parking lots require more labor and materials, so any contractor will begin by estimating the overall size of the asphalt surface. A final estimate will require carefully measuring all portions of your parking lot to arrive at a near-exact figure.

It's important to understand that these calculations can be complex if your parking lot isn't a simple square or rectangle. Your contractor must carefully measure circular areas or flares where the parking lot meets the road. These unusual shapes can have a potentially outsized impact on the overall cost of your project.

2. Lot Condition

Sealcoating requires a relatively smooth, clean, and undamaged surface to provide the best, longest-lasting results. Sealcoating over existing damage won't provide good protection for your parking lot and may not even be possible if the damage is severe enough. To account for this, your contractor will do a detailed inspection to look for cracks, potholes, and other issues with the lot.

The first step in a good sealcoating project is always to fix these problems. If your parking lot is in relatively good condition, you shouldn't expect this to affect your final estimate too drastically. However, your costs may be higher if your contractor needs to repair numerous potholes or cracks before beginning the rest of the job.

3. Line Striping

Line striping is the final step of painting parking lines, handicap symbols, and other markers on your freshly sealcoated parking lot. In general, higher-quality, longer-lasting paint will cost more, and you should expect to pay more if your parking lot has a large number of spaces or many specialized markers. You will also need to pay extra for special features such as glass visibility beads.

While these factors cover the basics, only a professional can thoroughly evaluate your parking lot and provide you with an accurate estimate. If your parking lot is beginning to look a little worse for wear, it's probably time to consult with an asphalt paving contractor such as Black Diamond Paving LLC so you can price out the cost of a fresh sealcoat.

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