Parking Lot

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Seal Coat

Seal coating is a highly effective way to substantially reduce maintenance costs while extending the life of your pavement, and can be a great alternative to more costly pavement replacement.

Over time, an unprotected asphalt surface will gradually lose it’s rich, black color due to oxidation and weathering. With so many days of sunshine, the asphalt dries up and the asphalt binder begins to disappear from the surface of the parking lot. When the color of the aggregate used in the asphalt mix begins to appear, it is time to sealcoat!

These images show a parking lot in need of a sealcoat. NOTE: Sealcoat will not seal cracks; therefore, if cracks are present, we recommend crack sealing first (also shown in photos).


The first step is cleaning the parking lot with a wire broom and high-powered blowers. This will assure a long lasting sealcoat application.

Much care is taken to assure that no dirt or contaminate is left to come between the sealer and the asphalt.

First Spray

REO Group uses a heavy duty Coal tar/Asphalt Emulsion blend sealer with recommended additives and fine mesh sand for traction and durability that meets or exceeds Federal Spec #RP-335D.

Treating Oil Spots

Areas that are saturated with oil from leaky vehicles are treated with specialized formula called Tar Loc, so the sealcoat will adhere to the surface.

Second Spray

REO Group applies two coats of sealer, which sets us apart from our competitors. This process is recommended by all manufacturers of sealcoat material. The two-coat system has been proven to add durability and life to the surface, adding value for our customers. It also gives the parking lot or driveway a pleasing appearance.

Cutting In

After the parking lot is thoroughly cleaned and the oil spots are sealed, all the edges are ‘cut in’ by hand, using a squeegee, to assure a detailed finished product.

This process takes time and expertise that comes from quality training and years of experience. Good craftsmanship ‘cutting in’ can be the difference between a “good job” and a “great job”!