Crone Pro Seal has proudly served the Flathead Valley for 32 years. Founded in 1988 by Mike Crone, he perfected the application of high-quality asphalt seal coating. Now with over 30 years of experience, Crone Pro Seal brings the highest levels of business ethics combined with expert knowledge & pride in workmanship. Using the latest equipment available & going beyond the competition, CPS stands by our work, and treats every customer as we ourselves would want to be treated.