Class c roof assemblies and roof coverings shall be listed and identified as class c by an approved testing agency.
Roof ul type class 2.
A revision of a single or multiple requirement s.
Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4.
To better evaluate a solar pv system for fire performance an update of the ul1703 was required.
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.
Underwriters laboratories ul is a not for profit independent testing organization that was founded in 1894.
Ul certified for canada insulated roof deck assemblies construction no.
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.
Ul provides the knowledge and expertise to help consumers make informed decisions on products that affect their daily lives.
A class 4 roof covering receives the highest premium credit.
Class c roofs are those that are effective against light fire test exposure.
Impact resistant shingles may qualify for a discount on your homeowner s premium.
The list of approved laboratories is shown below.
An electronic document associated with a ul standard for safety or outline of investigation and issued by ul to propose.
Update of the ul1703.
Impacts on asphalt shingles e g from hail can damage them.
If you live in a hail prone area consider impact resistant shingles which have a ul 2218 class 4 rating.
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.
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 that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4.
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.
A complete new edition of an existing standard or outline.
Ul developed a test to rate the strength of roofing materials.
Meet can ulc s126 can ulc s101 and can ulc s107.
Underwriters laboratory ul standard 2218 is a test method for evaluating impact resistance.
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.