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Everything you need to know about Parking Lot Sealing

Updated: Feb 28, 2022

Why is it important to seal a parking lot?

Parking lots are paved with asphalt, and just as residential driveways they need to be taken care of to increase the longevity and the lifespan. It is costly to repave the entire parking lot, and due to a much higher “traffic”, the asphalt is wearing off at much higher rates, when compared to residential driveways. To slow down that process Ark Services Group experts strongly recommend doing a parking lot sealing every 2 to 4 years, depending on the “traffic”. Our team is using the best oil-based sealant to create a protective layer on the parking lot, which will be wearing off instead of the original asphalt.

Parking lot sealing performed in Toronto
Finished parking lot job

Why does it help to do a parking lot sealing?

Asphalt is made of two ingredients: stones and bitumen. The bitumen is produced from oil and acts almost as a glue that holds stones together and doesn’t allow weather conditions to deal any damage to a newly paved parking lot. However, it doesn’t last forever, and after 3 to 5 years, the bitumen layer on the top of asphalt is wearing off. This leads to loose stones, that chip of here in there due to a physical damage caused by a traffic, creating cavities on the surface of a parking lot, that act as a sync for the water. Then due to the freeze-thaw cycle these cavities become cracks, and cracks can only grow larger. However, there is a way out. Our material designed for a parking lot sealing, is made of the exact same oil product – bitumen, that is being used in asphalt pavement, and that is why it is called an oil-based material. When bitumen is applied on the surface of a parking lot, it recreates the protective layer, which holds the stones on the surface back together, and fills up the cavities and cracks, overall protecting the parking lot from future damage.

How do we seal a parking lot?

First, the parking lot is being cleaned up from the chipped stones, dust, leaves and weeds, and the dirt. It is a very important step, that not every company is making, which causes poor results, and bad appearance of a sealed parking lot, as well as the major decrease in the longevity of a product. The Ark Services Group team always takes dignity in preparations, for we believe that poorly done preparations lead to poor results and unhappy clients. After our team finishes the clean-up, the parking lot already appears much better, but the transformation has just begun. Following the preparations, major cracks were filled with a professional crack filler. When all major cracks have been filled, the parking lot is ready to be sealed. Many sealing companies are “saving” the sealant and apply even less material than onto residential driveways. This is a major mistake, because the wearing off rates of bitumen on parking lots are much and much higher. The Ark Services Group team understands that, and applies more sealant, which of course makes the final result much better, and the parking lot stays sealed and protected much longer!

Parking lot sealing in Toronto
Ark Services Group performing parking lot sealing in Toronto

Why choose Ark Services Group?

  • Dignity in preparations. Our team not only blows the parking lot with the leaf blowers, but also cleans the cracks, picks the grass, and removes old dirt, that is being stacked on the parking lot.

  • We clean up after ourselves! Not many do that, but who wants to see the dirt right next to freshly sealed parking? Stones, leaves, weeds, dust, and dirt is being placed into bags and moved out from the site after the work is done.

  • Proper amount of material. We understand that the parking lots are being used much more, so the protective layer must be thicker!

  • Quality is guaranteed! If the client has any concerns, we come and we fix, with no extra charge.


Even though the prices depend on the condition of a parking lot, and can vary, usually we charge 18-24 cents per square foot of a parking lot to do the sealing, and $1 per foot of a crack filler.

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