Ul Class 4 Impact Resistant Roof

Trudefinition duration flex shown in the color brownwood a class 4 impact resistant sbs roofing shingle from owens corning roofing.

Ul class 4 impact resistant roof.

With class 4 shingles there are no splits or tears. 3 oz is dropped onto a shingle assembly from a height of 20. 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.

Impact resistant roofs can withstand hail and windstorms. Stance of prepared roof covering materials with an impact resistance classification of. Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4. For class 4 impact testing a 2 inch steel ball weighing approximately 536 grams 1 lb.

Class 4 roofing shingles are considered to be a premium product and therefore may cost more than standard non impact resistant shingles. These shingles do not sacrifice style or aesthetic to earn their distinction as ul 2218 certified class 4 roof shingles. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount. Insurance companies like these roofs too.

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. Class 1 class 2 class 3 class 4. 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. One great option for class 4 impact shingles is cedur roofing shakes.

Approved laboratory roof class location ul class 1 2 3 and 4 tx only ul and fm class 3 and 4 all other states. January 25 2010 ansi approved. 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. They require fewer repairs and last longer.

The test assembly is then struck again in the same location thus simulating hailstones impacting a roof at 90 mph 145 kph. Many metal roofs are impact resistant and will be rated class four. Mcelroy metal has over two dozen profiles in steel that are class 4 rated in thicknesses all the way down to 29 gauge. Class 4 ratings in alternative metals such as aluminum and copper are also available though much less frequent.