It can vary depending on the size of the area that needs to be sealed, but it typically costs between $0.10 and $0.20 per square foot.

It can vary depending on a few factors such as how big the area is, what type of asphalt you have, and how many cracks need to be filled. But typically it costs around $0.50 - $1.00 per square foot.Sealing your asphalt is important in order to protect it from the elements and extend its life. Not only does it make your driveway or parking lot look nicer, but it also helps keep the underlying asphalt from deteriorating and becoming brittle. Asphalt sealant forms a protective layer that resists water, oil, gasoline, and other corrosive materials, which can cause damage over time.