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Duration Premium Cool
Duration Premium COOL Shingles feature granules that reflect solar energy, which helps keep roofs cooler and decrease the amount of heat transferred to a home's interior and the amount of air conditioning needed to keep it comfortable. Duration Premium COOL Shingles are ENERGY STAR rated and offer a corresponding Owens Corning hip and ridge product for the finishing touch. These shingles also offer the advanced performance of patented SureNail Technology.