After hail storms we checked for damage on the roofs recently covered with these shingles and found no significant damage on most.
Ul 2218 class 4 metal roofing.
Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4.
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.
The ul 2218 impact rating is a testing process in which a panel is subjected to a impact that simulates a hailstone.
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 list of approved laboratories is shown below.
Hail qualification ul2218 class 4 excerpt from texas dept.
Delta building products ltd.
Installing ul 2218 class iv impact resistant shingles on a home has been proven to protect the roof from wind and hail damage.
A class 4 roof covering receives the highest premium credit.
Class 1 class 2 class 3 class 4.
These are all terms used for roofing systems that have exceeded the standards of the test ul 2218 that is performed by underwriters laboratories.
We have installed class 4 shingles for many of our customers in recent years.
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.
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.
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.
Delta b c canada phone.
Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives.
The hail standard ul 2218 essentially encompasses four different sized metal balls being dropped from different heights to simulate hail more or less.
Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date.
January 25 2010 ansi approved.
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.