[vc_row padding_top=”0″ padding_bottom=”0″][vc_column][vc_column_text]When a shingle or other roofing material is listed as having a Class 4 hail rating it means it has the highest impact resistance rating available. This is a classification that is given after the material has undergone rigorous testing as defined by UL, a global safety certification company that conducts performance tests on a wide variety of products, including roofing shingles.
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