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.