Asphalt shingles provide highest impact rating

From: Owens Corning

Owens Corning manufactures TruDefinition Duration FLEX Shingles with a proprietary blend of SBS polymer modified asphalt to deliver pliability as well as increased flexibility compared to standard shingles. They offer advanced performance in harsh weather conditions and provide the highest impact rating available—UL 2218 Class 4. Featuring Sure Nail Technology, the shingles present 42 percent better nail-pull resistance against wind and a 10 percent stronger tear strength compared to traditional shingles.

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