Ul 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.

Ul class 4 impact resistant roof.

Class 4 roofing shingles are considered to be a premium product and therefore may cost more than standard non impact resistant shingles. One great option for class 4 impact shingles is cedur roofing shakes. These shingles do not sacrifice style or aesthetic to earn their distinction as ul 2218 certified class 4 roof shingles. Class 1 class 2 class 3 class 4.

For class 4 impact testing a 2 inch steel ball weighing approximately 536 grams 1 lb. 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. Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4. The test assembly is then struck again in the same location thus simulating hailstones impacting a roof at 90 mph 145 kph.

Class 4 ratings in alternative metals such as aluminum and copper are also available though much less frequent. Mcelroy metal has over two dozen profiles in steel that are class 4 rated in thicknesses all the way down to 29 gauge. However due to the various benefits of class 4 impact resistant shingles the extra cost upfront may be a worthwhile investment if you live in an area where hail and wind storms frequently occur. Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date.

Class 4 hail resistant roofs. These specialty shingles achieving the highest impact resistant rating from ul class 4 providing peace of mind that they will protect your home from water infiltration resulting from the impact of damaging hail. They require fewer repairs and last longer. 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.

Many metal roofs are impact resistant and will be rated class four. 3 oz is dropped onto a shingle assembly from a height of 20. With class 4 shingles there are no splits or tears. Insurance companies like these roofs too.

Approved laboratory roof class location ul class 1 2 3 and 4 tx only ul and fm class 3 and 4 all other states. Stance of prepared roof covering materials with an impact resistance classification of. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount. January 25 2010 ansi approved.