Underwriters Lab Metal Roofing Standards Level 4
As you contact various contractors or suppliers you should ask about roofing materials that meet ul standard 2218.
Underwriters lab metal roofing standards level 4. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. Our testing services assess compliance to the following ul and industry standards. Stance of prepared roof covering materials with an impact resistance. Underwriters laboratories is a nonprofit organization dedicated to advancing the ul mission through the discovery and application of scientific knowledge.
Astm s roofing standards are instrumental in specifying testing and evaluating the dimensional mechanical and performance requirements of various forms of roofing systems. To find information about ul certified products and components quickly and easily use ul product iq an expansion of the former online certification directory. A class 4 roof covering receives the highest premium credit. 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.
Ul developed a test to rate the strength of roofing materials. 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. Ul developed a test to rate the strength of roofing materials called the ul. Ul llc is a global safety certification company headquartered in northbrook illinois it maintains offices in 46 countries.
Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. Spread of flame ul 790 burning brand testing ul 790 impact test ul 2218 intermittent flame testing ul 790 solar reflectance thermal emittance coating thickness astm c1549 and c1371 wind resistance astm d3161 wind uplift ul 1897 10x10 and 12x24 deck. Established in 1894 as the underwriters electrical bureau a bureau of the national board of fire underwriters it was known throughout the 20th century as underwriters laboratories and participated in the safety analysis of many of that century s new technologies. Class four is an impact standard used to rate roofing materials like shingles and metal materials.
Roofing company do hereby certify that. Ul product iq features an intuitive and user friendly design that gives users free access to all certification information. Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date. The list of approved laboratories is shown below.
This test is called the ul 2218 impact rating. We conduct rigorous independent research and analyze safety data convene experts worldwide to address risks share knowledge through safety education and public outreach initiatives and.