10/16/2026
An impact-rated shingle's package carries two ratings, its impact class and its wind rating. Each comes from its own test, so a new Port Charlotte roof calls for a shingle strong on both. Impact rated alone could mean any of four classes, and only the top class takes the largest steel ball from 20 feet. Our latest article explains what the top impact class means and how the seal strips and starter course carry the wind number. Call PRG Roofing & Construction Inc. at (239) 237-2906 to talk through your next roof.
Turn over a bundle of storm-season shingles, and the wrapper carries two printed ratings, one for impact and one for wind. Impact and wind are measured by two s