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9.26.4.3.(2) | Application | Intent |
| OS2 | OH1 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: Sheathing to support valley flashing for roofs of 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 that roof sheathing will not be
installed under valley flashing, which could lead to insufficient support
of the flashing, which could lead to excessive deflection or failure of the
roofing. This is to limit the probability of compromised
structural integrity, which could lead to precipitation ingress, which could
lead to deterioration, which could lead to compromised structural integrity
of roofs or assemblies protected by roofs, which could lead to structural
failure, which could lead to harm to persons.
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