Roof Ul Type Class 2

Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4.

Roof ul type class 2.

Meet can ulc s126 can ulc s101 and can ulc s107. Use pv systems that have been tested and listed for class a class b or class c fire rating per the most recent version of ul 1703 2002 edition with revisions through october 2013 module typing for fire classification the new ul 1703 fire classification developed a system of typing pv modules. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount. Ul developed a test to rate the strength of roofing materials.

An electronic document associated with a ul standard for safety or outline of investigation and issued by ul to propose. To better evaluate a solar pv system for fire performance an update of the ul1703 was required. A class 4 roof covering receives the highest premium credit. A complete new edition of an existing standard or outline.

If a pv rack with a type 1 module achieves a class a fire rating the installer can use any other type 1 module and retain the fire classification. Update of the ul1703. Roof coverings must be tested and approved by underwriters laboratories ul or factory mutual fm and be rated as a class 1 2 3 or 4. Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4.

The list of approved laboratories is shown below. Metal roofing comes in vertical panels or shingles resembling slate tile and shake and lasts about 60 years. If you live in a hail prone area consider impact resistant shingles which have a ul 2218 class 4 rating. Class c roof assemblies and roof coverings shall be listed and identified as class c by an approved testing agency.

Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. Impacts on asphalt shingles e g from hail can damage them. Class c roofs are those that are effective against light fire test exposure. Underwriters laboratory ul standard 2218 is a test method for evaluating impact resistance.

This test is called the ul 2218 impact rating. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. Astm c1289 type ii class 1 grade 2 20 psi or grade 3 25 psi can ulc s704 type 2 class 3 or type 3 class 3. Using this method of typing a module manufacturer can list their module as a specific type for purposes of listing to the new ul 1703 fire classification.

A revision of a single or multiple requirement s.