Atlas offers Pristine Shingles featuring Scotchgard Protector from 3M. Pristine Shingles, the elite lifetime shingle line manufactured by Atlas includes Pinnacle®, StormMaster® Slate, and StormMaster® Shake. By featuring Scotchgard Protector, Atlas now eliminates stains and streaks caused by algae and extends the Lifetime Limited Warranty to include algae damages. For more information about Atlas, visit www.atlasroofing.com or stop by booth 868. For more information about 3M, visit www.3M.com or stop by booth 841.