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What type of prep work is required prior to sealing?

To ensure the best coverage, the asphalt surface must be clean of dirt, oil spots, moss, and any other debris prior to sealing. Most surfaces can be cleaned with wire brooms and with a device called a Powerbroom, which is similar to a weed eater with circulating bristle heads. Once the necessary debris is dislodged from the asphalt surface it will be blown clean with high-powered backpack blowers and/or Billy Goat parking lot cleaning equipment. A pressure washer will be used on rare occasion when moss is particularly heavy. Pressure washing must be done in advance of the seal coating process to allow time for the water to dry