Shingle Impact Classifications

The 4 Main Impact Classes

3-Tab Shingles

These are an old, largely outdated shingle style that is highly susceptible to wind damage and weather. There are rarely, if ever, installed on residences anymore. If you have this type of shingle on your house, you should start to consider replacement soon

Non-Impact Rated Shingles

These shingles may have the architectural appearance, but they aren't rated for hail or storm damage. Unscrupulous contractors and out-of-town storm chasers often promote these shingles to increase their profit on your project. They should only be considered a last option when budget limitations are tight.

Class 3 Impact Rated

Here's what you can expect from a "standard" architectural shingle. These shingles have been tested and verified by ASTM and UL to endure minor hail impacts without being damaged. Many contractors provide this as their standard offering, with some even promoting it as a complimentary upgrade.

Class 4 Impact Rated

This is the highest attainable classification, and is generally reserved for premium grade shingles due to the higher manufacturing cost. Class 4 shingles can withstand moderate (2") sized hail without taking any functional damage and will provide your home the most protection of all asphalt shingle types.

Quality Comes Standard

Saltsider Construction, we care about our neighbors. That's why we include Class 4 shingles as a standard feature in all our estimates—without any hidden upgrade costs or fees. This reflects the quality our customers deserve. Complete the form below for a free, no-obligation quote sent directly to your email and discover how affordable a premium roof replacement can be!

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ASTM and UL Testing

ASTM International and Underwriters Laboratory (UL) are laboratories that test and grade materials for durability and capability. For shingles, fire, wind, and impact ratings are the most important.

Fire Rating: Due to the nature of asphalt, almost all shingles score an A on fire resistance. This is not generally something to worry about with this roofing type.

Wind Rating:The industry standard for wind ratings is 130mph. Nearly all architectural style shingles are rated for 130mph; however, some may require special installation instructions to achieve this rating, such as using extra nails. This can be difficult to track during installation and crews may be unaware of the specific installation requirements.

Impact Rating: The most competitive of the main ratings between shingle manufacturers. Due to the widespread prevalence of hail in the United States, impact ratings are becoming more and more important for new shingles.

How laboratories grade the impact resistance of a shingle