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I R 0 N R I D G E Class A Fire Rating Frequently Asked Questions What is a"module type"? What attachments and flashings are deemed Background ---_____�_._.—..__.. _.._ ._..._ _._____._.___._...._.__.._ ...._.. ._. The new UL7703 standard introduces the concept of a compatible with Class A? (` 53tt o PV module type,based on 4 construction parameters Attachments and their respective flashings are not All roofing products are tested and a and 2 fire performance parameters.The purpose of constituents of the rating at this time.All code-compliant classified for their ability to resist fire. Test Setup this classification is to certify mounting systems without flashing methods are acceptable from a fire rating Solar Modules needing to test it with every module. standpoint. Recently,these fire resistance standards Solar modules are given a Type were expanded to include solar equipment classification based on their materials and construction. What roofing materials are covered? What mounting height is acceptable? as part of the roof system.Specifically,this mate requires the modules,mounting hardware Mounting System All fire rated roofing materials are covered within this UL fire testing was performed with a a of 5",which is and roof covering to be tested together as i Mounting Is tested as part of a 9 9 P gap I system that includes type-tested �.+�. ; certification including composition shingle,clay and considered worst case in the standard.Therefore,the a system to ensure they achieve the same modules and fire-rated roof covering. ci cement tile,metal,and membrane roofs. rating is applicable to any module to roof gap. fire rating as the original roof covering. Roof covering Roof covering products are given a What ifI have a Class C%f,but the jurisdiction Am 1 required to install skirting to meet the fire These new requirements are being adopted Fire Class Rahng of A.B or C based throughout the country in 2016. on their tested fire resistance. now requires Class A or B. code? ..................._............................................_..........._......_.......---....—..........---..........-- Generally,older roofs will typically be"grandfathered No,IronRidge achieved a Class A fire rating without any Burning Brand Test in",and will not require re-roofing.However,if 50%or additional racking components. 1 more of the roofing material is replaced for the solar IronRidge Certification installation the code requirement will be enforced. A, ? What determines Fire Classification? company IronRidge was the first i 9 P Y to 't1 ipr '•_. receive a Class A Fire Rating—the highest � ,.,,x; � �:,t•.�_y�,+g+' Where is the new fire rating requirement code listed? Fire Classification refers to afire-resistance rating possible rating—from Intertek Group plc.,a } system for roof covering materials based on their ability Nationally Recognized Testing Laboratory. " " '` 201218C:1509.7.2 Fire classification.Rooftop to withstand fire exposure. mounted photovoltaic systems shall have the same fire A burning wooden block Is placed on module as a fan blows at 12 mph. ( I Flame cannot be seen on underside of roof within 90 minutes. ' classification as the roof assembly required by Section Class A-effective again severe fire exposure IronRidge Flush Mount and Tilt Mount r 1505. Class B-effective against moderate fire exposure Systems were tested on sloped and flat --- --------- -- -............_ . _..... Class C-effective against light(ire exposure roofs in accordance with the new UL 1703 Spread of Flame Test &UL 2703 test standards.The testing Where is a Class A Fire Rating required? evaluated the system's ability to resist I What if the roof covering is not Class A rated? �w_ The general requirement for roofing systems in the IBC flame spread,burning material and f' s refers to a Class C fire rating.Class A or B is required for The IronRidge Class A rating will not diminish the fire structural damage to the roof. areas such as Wildland Urban Interface areas(WUI)and rating of the roof,whether Class A,B,or C. i % r: for very high fire severity areas.Many of these areas are Refer to the table below to determine the found throughout the western United States.California requirements for achieving a Class A Fire ' { has the most Class A and B roof fire rating requirements, What tilts is the tilt mount system fire rated for? Rating on your next project. 3 Flame at southern edge of roof is aimed up the roof as a fan blows at 12 due to wild fire concerns. The tilt mounts stem is rated for 1 mph.The flame cannot spread 6 feet or more in 10 minutes. y degrees and up and I any roof to module gap,or mounting height. Are standard mid clamps covered? Mid clamps and end clamps are considered part of the � a PV"system",and are covered in the certification. i Flush Mount Any Slope Type 1,2,&3 Class A .................. szre Resourecs ............._..................................._.._................................................................................._................._........................... . ......................... .................................... ......................._..... ..........._......_...._._._............................................._............-...........�. _ ...._.._......_.....__..._.._..._.._................ ..._...... ......... ......... ......... ........................-..............._-...... Tilt Mount i Installation Manuals s ude U Engineering Certification Letters 6 Degrees Type 1,2,&3 Class A Visit our website for manuals that inclL a We offer complete engineering resources y* 2703 Listing and Fire Rating Classification. # and pre-stamped certification letters. 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