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. A complete new edition of an existing standard or outline. A class 4 roof covering receives the highest premium credit. Impacts on asphalt shingles e g from hail can damage them. Class c roofs are those that are effective against light fire test exposure.

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. Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894. 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.

Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives. An electronic document associated with a ul standard for safety or outline of investigation and issued by ul to propose. Ul certified for canada insulated roof deck assemblies construction no. To better evaluate a solar pv system for fire performance an update of the ul1703 was required.

The list of approved laboratories is shown below. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount. When tested to ul 2218 shingles can achieve an impact resistance rating from class 1 through 4 with a class 4 rating being the highest and best. Class c roof assemblies and roof coverings shall be listed and identified as class c by an approved testing agency.

Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4. A revision of a single or multiple requirement s. Ul developed a test to rate the strength of roofing materials. 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. 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. Underwriters laboratory ul standard 2218 is a test method for evaluating impact resistance. Impact resistant shingles may qualify for a discount on your homeowner s premium.

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.