Ul 2218 Class 4 Metal Roofing

January 25 2010 ansi approved.

Ul 2218 class 4 metal roofing.

A class 4 roof covering receives the highest premium credit. The list of approved laboratories is shown below. A class 4 rating means the panel did not crack when struck twice in the same location by the 2 inch steel ball. 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.

Of insurance web site. Ul 2218 standard for impact resistance of prepared roof covering materials the industry guideline ul 2218 exists to test a metal panel s resistance to puncturing or failing when it comes into contact with items such as hail or other small debris. These are all terms used for roofing systems that have exceeded the standards of the test ul 2218 that is performed by underwriters laboratories. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894.

We have installed class 4 shingles for many of our customers in recent years. Stance of prepared roof covering materials with an impact resistance classification of. 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. Ul developed a test to rate the strength of roofing materials.

Delta b c canada phone. This test is called the ul 2218 impact rating. 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. The ul 2218 impact rating is a testing process in which a panel is subjected to a impact that simulates a hailstone.

Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. Delta building products ltd. 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. The hail standard ul 2218 essentially encompasses four different sized metal balls being dropped from different heights to simulate hail more or less.

As you contact various contractors or suppliers you should ask about roofing materials that meet ul standard 2218. Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date. Installing ul 2218 class iv impact resistant shingles on a home has been proven to protect the roof from wind and hail damage. Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4.

Hail qualification ul2218 class 4 excerpt from texas dept.