Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives.
Ul class a roof.
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.
Ul developed a test to rate the strength of roofing materials called the ul.
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.
Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894.
Underwriters laboratories ul is a not for profit independent testing organization that delivers the verified information to help consumers make accurate decisions about products like impact resistant roofing materials.
Class a b or c rating is a measurement of the external spread of flame on a roof surface.
It also serves as a key differentiator for products within the roofing market.
Class a roof assemblies are those that are effective against severe fire test exposure.
Understanding roof fire ratings class a roofing.
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.
Class a roof assemblies and roof coverings shall be listed and identified as class a by an approved testing agency.
Class four is an impact standard used to rate roofing materials like shingles and metal materials.