Atlas shingles compared to Owens Corning are similar in quality, price, and warranty, with each brand having distinct strengths, though Owens Corning has larger market share and contractor network. Owens Corning Duration is the flagship and is known for SureNail Technology, a woven fabric strip in the nailing area that provides exceptional fastening strength and 130 mph wind warranty, TruDefinition vibrant colors, and 25-year StreakGuard algae protection using copper and zinc granules. Atlas Pinnacle Pristine is Atlas flagship and is known for Scotchgard Protector algae protection using 3M technology with copper granules, which is considered superior and offers lifetime algae warranty compared to Owens Corning's 25-year, and HP42 high-performance design with larger 42-inch shingles for faster installation. Both cost similar at 90 to 150 dollars per square for materials. Weight wise, Owens Corning Duration is slightly heavier than Atlas Pinnacle Pristine, providing good durability. Wind resistance is similar at 130 mph. Impact resistance, Atlas StormMaster Shake offers Class 4 rating with polymer-modified asphalt, while Owens Corning Duration Flex and Storm also offer Class 4. Warranty wise, both offer lifetime limited warranties defined as 50 years. Availability wise, Owens Corning is more widely available at Lowes and roofing supply houses, while Atlas has smaller distribution. For humid climates where algae is major concern, Atlas with Scotchgard is better. For best installation technology and widest contractor support, Owens Corning is better.
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