WeatherGuard® Technology 
Impact resistance from the integrated polymeric backing feature of our patented WeatherGuard® Technology, which helps achieve one of the industry’s highest ratings, UL 2218, Class 4.
WeatherGuard® HP Shingles guard your building against the impact of an Oklahoma Storm!
These beautiful shingles by Owens Corning are impact-resistant and have been specially engineered to face some of Mother Nature’s worst and still look their best! Owens Corning calls them: "Beauty meant to last a lifetime.". According to Owens Corning, what makes them durable includes patented composite construction, spunbond, impact-resistant webbing at the shingle base to achieve superior performance and Tru-Bond® sealant for maximum holding power during high winds.
WeatherGuard. You can learn more about this product for Oklahoma roofs at their website: (but remember Curb Appeal Roofing Construction is a certified Owens Corning installer!)