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Ul-class-roof, underwriters laboratories (ul) is a not-for-profit independent testing organization that was founded in 1894. ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. ul developed a test to rate the strength of roofing materials. this test is called the ul 2218 impact rating.. Overview. roofing products are designed to resist the impacts of fire, wind, rain, hail and extreme temperatures. since we’ve been working with the roofing industry for decades to develop standards that improve performance, we can help verify that your products do, in fact, meet these criteria for performance., ul standard | ul 790 | edition 8 | standard for standard test methods for fire tests of roof coverings | edition date: april 22, 2004 | ansi approved: october 19, 2018.

Ul standard | ul 2218 | edition 2 | standard for impact resistance of prepared roof covering materials | edition date: january 25, 2010 | ansi approved: january 12, 2018, pima 7315 wisconsin avenue, suite 400e, bethesda, maryland 20814 phone: 301.654.0000 • fax: 301.951.8401 www.polyiso.org • [email protected] Nationwide’s relationship with axos bank gives nationwide members access to axos bank’s banking products and services. all banking products and services are solely offered and provided by axos bank tm.. axos bank is a federally chartered savings bank, and all deposit accounts opened with axos bank, including those of the same ownership and / or vesting held at axos bank, are combined and ..., submitted by alexandre pecora, member of the communications, marketing and education committee for arma when the need for a new roof arises, homeowners have many options and styles from which to choose. those unfamiliar with residential roof systems can be quickly overwhelmed with the numerous materials that.

Are you familiar with class 1 and class a commercial roof assemblies, what they mean and how they differ? learn more about these important ratings below. class a rating. class a, b or c rating is a measurement of the external spread of flame on a roof surface., roof coverings that have passed the ul standard 2218 test are classified as either class 1, 2, 3, or 4. a class 4 roof covering receives the highest premium credit. the list of approved laboratories is shown below. note: as you contact various contractors or suppliers, you should ask about roofing materials that meet ul standard 2218.