average price to seal coat a driveway
Professional Installation. The cost of professional driveway seal coating can vary dramatically by region of the country. Professionally sealing a 1,000-square-foot driveway in the eastern United States can cost between $100 and $160 as of October 2010.ost of Materials. A typical 5-gallon bucket of asphalt sealant is sufficient to cover around 400 square feet of asphalt. Five-gallon buckets of cheaper sealants are available for as low as $5 in 2010. Higher-end sealants are available for upwards of $30 per bucket.