Ul Roof Ratings

It also serves as a key differentiator for products within the roofing market.

Ul roof ratings.

Certification database ul product iq. For the most up to date fire resistance ratings refer to the ul online certifications directory ul p522. This test is called the ul 2218 impact rating. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies.

Neglecting your roof can be a costly mistake. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. E108 defines the following conditions. This means it is imperative that the specifier consultant designer of record or contractor must use all the components in that rated system.

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. These tests may be conducted at ul inc fm global or any other certified testing laboratory. Ul developed a test to rate the strength of roofing materials. 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.

Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. 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. Become a member or sign in.

The presence of the ul logo merely shows that a product e g. A secure online source for increased visibility into your ul project files product information documents samples and services. 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. 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. Ul standards encompass ul s extensive safety research and scientific expertise.