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9.26.8.4.(3)
OS2OH1
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Location of cold-application cement securing the second and subsequent courses of asphalt shingles on roofs having a slope of less than 1 in 3, 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: 
To limit the probability of inadequate support, which could lead to damage to shingles under wind uplift, which could lead to water penetrating directly to roof decking or sheathing, which could lead to deterioration, which could lead to the structural failure of roofs or assemblies protected by roofs, which could lead to harm to persons.
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