Air quality concerns aren't limited to large cities. According to the American Lung Association's State of the Air report, 141.1 million Americans, more than 4 in 10, lived in counties with unhealthy levels of either ozone or particle pollution. As we continue looking for ways to address air pollution, roofing can play a role in the solution. 3M™ Smog-Reducing Granules give manufacturers the ability to incorporate smog-reducing technology into roofing materials, helping transform shingles and capsheets into surfaces that can actively reduce air pollutants. Activated by sunlight, the specialized granules transform smog pollutants that come into contact with the roof into water-soluble ions.
