Class 4 Impact Resistant Roof

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.

Class 4 impact resistant roof.

As asphalt ages it becomes less pliable and more brittle. With class 4 shingles there are no splits or tears. Approved laboratory roof class location. Fm and be rated as a class 1 2 3 or 4.

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. 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. 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. As a result it no longer has the ability to transfer impact energy and the mat is damaged and or punctures occur to this system.

Ul developed a test to rate the strength of roofing materials called the ul. Storms that bring hail airborne debris and high winds put your roof at risk for damage and installing impact resistant shingles may. They are associated with the ul 2218 impact test which involves dropping a two inch steel ball from 20 feet high onto the shingle and examining whether the shingle cracks or not. Effects of aging on a class 4 roof.

Class 4 roof covering is the most impact resistant roof and receives the highest premium discount. 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. Class 4 impact resistant roofing shingles. When it comes to shingles class 4 shingles are the highest classification you can get when it comes to hail damage resistance.

Class four is an impact standard used to rate roofing materials like shingles and metal materials.