Class 3 vs. Class 4 Asphalt Shingles: Choose the Best for Your Duluth Home | Superior Roofing Company
When selecting asphalt shingles for your Duluth, MN, home, you may encounter terms like “Class 3” and “Class 4.” These classifications relate to the shingle’s impact resistance, a critical factor in a region prone to hailstorms. In this blog post, we’ll unravel the distinction between Class 3 and Class 4