Lewellyn's Sealcoating, LLC, started his black top sealcoating business part time in 1985 working evenings and weekends. In 1989, our goal of making this sealcoating business a full time endeavor became a reality. The business has steadily grown over the years to include a fleet of trucks to meet the demands of residential, commercial and industrial customers. We take great pride in customer satisfaction and realizes that word of mouth is the most effective marketing tool. Sealcoating a thin liquid layer added over a paved surface to protect it from damage caused by UV rays, rain and snow, and fluids from vehicles.