StormMaster® Shake shingles featuring Scotchgard™ Protector preserve your home's curb appeal by helping to prevent ugly black streaks caused by algae, leaving the roof looking beautiful and allowing the shingle's original color to shine.

Atlas Shingles with Core4™ consist of four key features:

• PolyCore™ Technology
• FlexCore™ Technology
• WeatherCore™ Technology
• ThermalCore™ Technology