North Star Coatings is a family-owned and operated asphalt sealing and repair company specializing in residential and commercial work. Our team seals laneways and parking lots throughout Ontario. Not your basic sealcoating. North Star Coatings uses Gem Seal polymer-modified sand slurry made for high volume traffic areas. Heavily agitated with 1-6 pounds of sand per gallon to give your asphalt the ultimate protection from deterioration, snow plowing, oil and chemical spills. slurry last 3-5 times longer then basic oil base sealcoat and beautify's properties with a dark matte black finish. more... See more text