Ul Class 4 Roof

Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date.

Ul class 4 roof.

A class 4 roof covering receives the highest premium credit. Class four is an impact standard used to rate roofing materials like shingles and metal materials. The list of approved laboratories is shown below. An oc storm roof is about 5 more than a standard asphalt roof.

As you contact various contractors or suppliers you should ask about roofing materials that meet ul standard 2218. The test consists of simulating the speed and terminal velocity of a 2 hail stone falling from the sky. Class 4 roofing shingles are considered to be a premium product and therefore may cost more than standard non impact resistant shingles. 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.

Owens corning oc duration storm shingles are the most economical class 4 asphalt shingle on the market. Class iv roofing systems include many different types of roofing materials not just asphalt shingles such as tile metal or synthetic roofing. I have installed in accordance with the manufacturer s specifications on the above described residence a roof covering listed as complying with underwriters laboratory standard 2218 impact standard for impact resi. To meet class 4 impact criteria the shingle must show no evidence of fractures or cracks on the back side.

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. January 25 2010 ansi approved. One great option for class 4 impact shingles is cedur roofing shakes. Stormmaster shingles with core4 are ul 2218 class 4 impact rated.

They are more resistant to hail than normal shingles however medium sized hail will damage them. This roof will qualify homeowners for a discount with most insurance companies. Class 1 class 2 class 3 class 4. 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.

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. Trudefinition duration flex shown in the color brownwood a class 4 impact resistant sbs roofing shingle from owens corning roofing. These shingles do not sacrifice style or aesthetic to earn their distinction as ul 2218 certified class 4 roof shingles. But what is most important for homeowners to know about a class iv roofing system is that it can save you big money on your homeowner s insurance premium with a class iv roof discount.

Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4.