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9.26.4.4.(1)
ApplicationIntent
OH1OS2OS1OP1OS3
ObjectiveOS1 Fire Safety
Attribution
[F61-OS1.1] Applies where a shingle roof intersects with a masonry chimney.
Application
Application 1: 
Flashing at intersections of shingle roofs and chimneys, on buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
Where the intersection is between a shingle roof and a chimney, to limit the probability of precipitation or meltwater ingress into chimneys, which could lead to damage to masonry or to chimney liners from freeze-thaw stresses, which could lead to the escape of heat or flames, which could lead to the ignition of combustible building components, which could lead to harm to persons [see analysis for Sentence 9.21.4.6.(1)].
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