Ul Roof Ratings

The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c.

Ul roof ratings.

The ul certification mark on roofing products and assemblies is relied on by code enforcement officials and buyers to verify that your products and systems meet regulatory requirements. Helpful documents and resources for usg s roof assemblies can be found on this page. It also serves as a key differentiator for products within the roofing market. Over non combustible roof decks such as steel poured gypsum or concrete only the spread of flame on the top surface of the roof system is evaluated.

With over a century of experience in the development of more than 1 500 standards ul is an accredited standards developer in the us and canada. A secure online source for increased visibility into your ul project files product information documents samples and services. The average furnace temperature from which these ratings. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894.

Rolled roofing material membrane or coating is part of a tested system that meets the ul criteria. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project. This test is called the ul 2218 impact rating. The test method and acceptance criteria in ansi ul 263 astm e119 fire tests of building construction and materials the ratings are expressed in hours and are applicable to floor ceilings roof ceilings beams columns walls and partitions.

Certification database ul product iq. Ul developed a test to rate the strength of roofing materials. Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. Become a member or sign in.

Neglecting your roof can be a costly mistake. Ul standards encompass ul s extensive safety research and scientific expertise. The presence of the ul logo merely shows that a product e g. E108 defines the following conditions.

For the most up to date fire resistance ratings refer to the ul online certifications directory ul p522. And access over 9 000 products and services rated.