Impact Resistant Roof Class 4

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.

Impact resistant roof class 4.

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. It s called the ul 2218. 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. 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.

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. A class 4 hail resistant roof is the most durable type of roofing on the market and will not rip tear or crack when exposed to heavy winds rain or hail. The ul 2218 class 4 impact rating test simulates the damaging impact of a 2 size hail stone. 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.

The roof covering installed on this residence meets one of the following requirements. Class 4 impact resistant roofing shingles. C timberline armorshield ii. A iko cambridge ir.

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. B bp vanguard 42 ir. Class 1 class 2 class 3 class 4. Ul developed a test to rate the strength of roofing materials called the ul.

What are some of the best class 4 shingles and other roof products manufacturers that are impact resistant. The test drops a 2 steel ball onto the shingle twice in the same spot and the shingle cannot exhibit any signs of fracture breaking of the glass mat or significant granule loss. Impact resistant roofing materials that are rated class 4 provide the best resistance to damage. Your roof is an essential part of your home or building and you want to be sure it is strong enough to take an impact.

What does class 4 mean. With class 4 shingles there are no splits or tears. Class four is an impact standard used to rate roofing materials like shingles and metal materials. Year manufactured date of installation.

When it comes to shingles class 4 shingles are the highest classification you can get when it comes to hail damage resistance. 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.