Two full-size, one-piece base shingles Unique chamfered cut for scallop appearance Virtual four-layer coverage when applied Fiber glass composition: UL Class A; UL Certified to meet ASTM D3462 Miami-Dade accepted Algae Resistant Deep 8" exposure with distinctive shadow lines 355 lb. per square Dimensional tolerance + 1/16" Lifetime limited transferable warranty (see warranty for specific details and limitations) 7-year SureStart™ protection 10-year algae resistance warranty 5-year 80 mph wind warranty Patented design Brownstone Colonial Slate Georgian Brick Sherwood Forest Stonegate Gray Victorian Blue