The UL 2218 classification set a standard for roof impact resistance whereby materials were rated on their resistance to impacts with steel balls simulating 90 mph hailstones of various sizes. The Classifications for impact resistance are expressed as Class 1, 2, 3 or 4, which relate to a roof covering's ability to withstand impacts from 1-1/4", 1-1/2", 1-3/4" and 2" diameter steel balls, respectively. Impact resistant roofing materials that are rated Class 4 provide the best resistance to damage.
n certain states, insurance carriers offer discounts for homeowners who install impact resistant roofs. These discounts can be as high as 35% of the annual premium. Check with your insurance company for discount availability.
D. Bassett Roofing & Repair is an experienced installer of Class 4 Impact Resistant shingles. Installing UL 2218 Class IV Impact Resistant Shingles on a home has been proven to protect the roof from wind and hail damage. We have installed Class 4 shingles for many of our customers in recent years. After the hail storms last spring, we checked for damage on the roofs recently covered with these shingles and found no damage.
D. Bassett Roofing & Repair installs many products classified as UL 2218. The Texas Department of Insurance has compiled a list of these products.