Impact Resistant Roof Class 4

Impact standard for impact resistance of prepared roof covering materials with an impact resistance classification of.

Impact resistant roof class 4. What does class 4 mean. 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. B bp vanguard 42 ir.

Is there a 3rd party standardized testing for hail impact. 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. 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.

Year manufactured date of installation. What are some of the best class 4 shingles and other roof products manufacturers that are impact resistant. Class 4 impact resistant roofing shingles. 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. 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. C timberline armorshield ii. Ul developed a test to rate the strength of roofing materials called the ul.

With class 4 shingles there are no splits or tears. The ul 2218 class 4 impact rating test simulates the damaging impact of a 2 size hail stone. Class 1 class 2 class 3 class 4. 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.

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 roof covering installed on this residence meets one of the following requirements. It s called the ul 2218. A iko cambridge ir.

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. 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.