Atlas Pinnacle, StormMaster Slate and StormMaster Shake shingles are now manufactured using copper technology developed by 3M to eliminate algae stains. The copper distribution is verified daily by a third party laboratory to ensure optimum algae resistance and Scotchgard quality. Atlas Pristine Shingles featuring Scotchgard Protector by 3M come with a Lifetime Limited Warranty against algae staining. For more information, visitwww.atlasroofing.com.
