Products / Owens Corning TruDefinition WeatherGuard HP

TruDefinition WeatherGuard HP is an Owens Corning impact-resistant asphalt shingle in TruDefinition colors, rated UL 2218 Class 4. Owens Corning's data sheet gives a nominal size of 13 1/4 in by 39 3/8 in, a 5 5/8 in exposure, 64 shingles and 3 bundles per square (98.4 sq. ft.), a Limited Lifetime warranty and a 110/130 MPH wind resistance limited warranty, the 130 MPH figure applying only with 6-nail application. The sheet states that WeatherGuard HP Hip and Ridge Shingles are required to complete the UL 2218 Class 4 roof system.