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3.1.5.12.(6)
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Application
Application 1: 
Thermosetting foamed plastic insulation having a flame-spread rating not more than 500 that forms part of a factory-assembled exterior wall panel that does not incorporate an air space, in buildings described in Sentence 1.3.3.2.(1) of Division A that are required to be of noncombustible construction.
Application 2: 
This also applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be of noncombustible construction, as stated in Sentence 9.10.6.1.(1).
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Intent
Intent 1: 
To exempt certain combustible materials from the application of Sentence 3.1.5.1.(1) if certain conditions are met, on the basis that the materials are deemed to insignificantly contribute to fire growth and spread.
Intent 2: 
To exempt certain combustible materials from the application of Sentences 3.1.5.12.(2), (3) and (4) if certain conditions are met, on the basis that the materials are deemed to insignificantly contribute to fire growth and spread.
Intent 3: 
To direct Code users to Subsection 3.1.12. for determining flame-spread ratings.
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