Ul developed a test to rate the strength of roofing materials called the ul.
Ul class a roof.
This test is called the ul 2218 impact rating.
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.
Understanding roof fire ratings class a roofing.
Class a roof assemblies shall be permitted for use in buildings or structures of all types of construction.
It also serves as a key differentiator for products within the roofing market.
Class a roof assemblies and roof coverings shall be listed and identified as class a by an approved testing agency.
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.
Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives.
Class four is an impact standard used to rate roofing materials like shingles and metal materials.
Class a roof assemblies are those that are effective against severe fire test exposure.
Class a b or c rating is a measurement of the external spread of flame on a roof surface.