Class 4 Impact Resistant Roof

With class 4 shingles there are no splits or tears.

Class 4 impact resistant roof.

When it comes to shingles class 4 shingles are the highest classification you can get when it comes to hail damage resistance. With a regular shingle most of our competitors impact resistant shingles are only class 3 cracks and ruptures will appear from that kind of impact. Effects of aging on a class 4 roof. Older class 4 roof systems can sustain damage from 2 1 2 stones.

In a class 4 ul 2218 impact resistance test a 2 inch steel ball is dropped from 20 feet to see if the shingles will fracture. As asphalt ages it becomes less pliable and more brittle. After performing the test roofing manufacturers would be scored based on the resistance of the material getting a rating from 1 least hail resistant to 4 most hail resistant. Class 4 impact resistant roofing shingles.

Fm and be rated as a class 1 2 3 or 4. If you re one of the millions of american homeowners who live in an area where intense storms frequently occur then your choice of roofing shingles plays a critical role in protecting your roof from storm damage. Storms that bring hail airborne debris and high winds put your roof at risk for damage and installing impact resistant shingles may. Underwriters laboratories ul is a not for profit independent testing organization that delivers the verified information to help consumers make accurate decisions about products like impact resistant roofing materials.

Class four is an impact standard used to rate roofing materials like shingles and metal materials. Summarizing the result we would be looking at for a class 3 roof is earned if the sample does not crack when hit twice in the same spot by a 1 75 inch diameter steel ball. Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount.

Ul developed a test to rate the strength of roofing materials called the ul.