Two full-size, one-piece base shingles, beneath a massive weather tab Virtual five layer coverage when applied Fiberglass composition: UL Class A; UL Certified to meet ASTM D3462 Miami-Dade accepted Algae Resistant Deep 8" exposure with distinctive shadow lines 425 lb. per square Dimensional tolerance + 1/16" Lifetime limited transferable warranty (see warranty for specific details and limitations) 10-year algae resistance warranty 5-year 80 mph wind warranty Patented design Black Pearl Brownstone Colonial Slate Gatehouse Slate Georgian Brick Heirloom Silver Sherwood Forest Stonegate Gray