Designed to Weather the Storm
Unlike standard shingles, TruDefinition® Duration STORM® impact-resistant shingles feature patented WeatherGuard® Technology. The integrated polymeric backing material of the WeatherGuard® Technology allows Duration STORM® shingles to meet one of the industry's highest ratings for impact resistance, UL 2218, Class 4. In some areas, homeowners may qualify for insurance premium discounts - check with your insurance company. These shingles also feature SureNail® Technology for high-performance durability and outstanding gripping power.