Ul Roof Ratings

Neglecting your roof can be a costly mistake.

Ul roof ratings.

Rolled roofing material membrane or coating is part of a tested system that meets the ul criteria. E108 defines the following conditions. And access over 9 000 products and services rated. Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives.

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. For the most up to date fire resistance ratings refer to the ul online certifications directory ul p522. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. Ul developed a test to rate the strength of roofing materials.

It also serves as a key differentiator for products within the roofing market. 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. The average furnace temperature from which these ratings. Become a member or sign in.

These tests may be conducted at ul inc fm global or any other certified testing laboratory. Helpful documents and resources for usg s roof assemblies can be found on this page. A secure online source for increased visibility into your ul project files product information documents samples and services. 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 standards encompass ul s extensive safety research and scientific expertise. This means it is imperative that the specifier consultant designer of record or contractor must use all the components in that rated system. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. 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.

Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. 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.