Ul Class A Roof

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.

Ul class a roof.

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 called the ul. Understanding roof fire ratings class a roofing. Class a b or c rating is a measurement of the external spread of flame on a roof surface.

Class a roof assemblies and roof coverings shall be listed and identified as class a by an approved testing agency. A number of fire test laboratories including underwriters laboratories ul and fm global fmg conduct this test using either the astm e 108 or ul 790 standard. Class a roof assemblies are those that are effective against severe fire test exposure. Class a roof assemblies shall be permitted for use in buildings or structures of all types of construction.

Class four is an impact standard used to rate roofing materials like shingles and metal materials. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. Class a roofing is the preferred choice for any home but this type of roofing is particularly important if you live in an area that is prone to wildfires to achieve a class a rating the roof must be effective against severe fire exposure. It also serves as a key differentiator for products within the roofing market.