Salvador Herrera of Raleigh, North Carolina, won the title of the "Best Insulation Installer in America" at the national competition held near Denver. The annual one-of-a-kind competition, presented by Denver-based building giant Johns Manville, aims to find the best insulation installer in the country. By winning this year's competition Herrera takes home a $10,000 grand prize and the "Best Installer in America" title.