Ul 2218 Class 4 Metal Roofing

Class 1 class 2 class 3 class 4.

Ul 2218 class 4 metal roofing.

A class 4 roof covering receives the highest premium credit. Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date. Ul developed a test to rate the strength of roofing materials. Delta building products ltd.

Hail qualification ul2218 class 4 excerpt from texas dept. 604 953 1000 aluminum shingle tile shake panels class 4 steel shingles tiles shake panels class 4 click the link below to view the delta building products. Delta b c canada phone. Installing ul 2218 class iv impact resistant shingles on a home has been proven to protect the roof from wind and hail damage.

Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. The ul 2218 impact rating is a testing process in which a panel is subjected to a impact that simulates a hailstone. We have installed class 4 shingles for many of our customers in recent years. This simulation is achieved by taking a 1 25 2 inch steel ball and dropping it from a height of 12 feet above the panel.

Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. This test is called the ul 2218 impact rating. Class iv roofing systems include many different types of roofing materials not just asphalt shingles such as tile metal or synthetic roofing. A class 4 rating means the panel did not crack when struck twice in the same location by the 2 inch steel ball.

These are all terms used for roofing systems that have exceeded the standards of the test ul 2218 that is performed by underwriters laboratories. Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4. As you contact various contractors or suppliers you should ask about roofing materials that meet ul standard 2218. The hail standard ul 2218 essentially encompasses four different sized metal balls being dropped from different heights to simulate hail more or less.

January 25 2010 ansi approved. Stance of prepared roof covering materials with an impact resistance classification of. The list of approved laboratories is shown below. Ul developed a test to rate the strength of roofing materials called the ul 2218 impact rating which is the test that determines if a roofing material is class 1 2 3 or 4.

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.