Class 3 impact resistance is a roofing performance rating based on standardized testing for impact resistance. For many asphalt shingle projects, Class 3 is the standard impact rating homeowners are most likely to see unless they choose an upgraded impact-resistant product.
Why It Matters
Impact ratings help homeowners compare shingle products in hail-prone areas, but the rating is only one part of the roof system decision. A Class 3 shingle can still be a quality shingle; it simply should not be confused with a higher-impact Class 4 upgrade.
Common Problems
Common confusion includes assuming impact-rated shingles cannot be damaged, mixing up standard Class 3 shingles with upgraded Class 4 shingles, and overlooking warranty limitations.
Building Codes & Industry Standards
Impact resistance is commonly tied to recognized testing methods such as UL 2218. Homeowners should review the exact product documentation and warranty language.
Exterior Echelon Notes
Exterior Echelon explains Class 3 as a common standard shingle impact rating and Class 4 as a potential upgrade. The right choice depends on the home, budget, product availability, warranty language, and any insurance considerations the homeowner confirms with their carrier.
