Atlas StormMaster Shake
Wind- and Impact-Resistant Shingles
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StormMaster Shake (formerly known as StormMaster LM) shingles now come standard with the power of Scotchgard protector to defend against algae streaks and help retain original color.
Copper Stops Algae ... Copper-fortified granules are uniformly distributed across the surface of select Atlas shingles. Independent third-party tests ensure optimal and consistent copper content, resulting in an algae-resistant shingle qualified to earn the Scotchgard name.
Tough ... Stormmaster Shake is manufactured incorporating a rubberized SBS polymer that helps create a more durable and longer-lasting shingle that provides protection in extreme weather conditions. StormMaster's SBS (Styrene Butadiene Styrene) asphalt construction ensures high performance and lasting durability. This superior shingle can be used in all areas of the country and has proven its stability in high impact and strong wind tests.
Durable ... Lifetime limited warranty against manufacturing defects; Lifetime limited warranty against algae growth; Class 4 impact resistance (highest rating available); up to 130mph limited wind warranty that provides superior resistance against wind and wind-driven rain.