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5.6.1.2.(2) | Application | Intent |
OH1 | OS2 |
Objective | OS2 Structural Safety |
Attribution | |
Application | Application 1: Grades of western cedar shakes and shingles installed
as undercoursing to provide protection from precipitation on vertical assemblies
exposed to precipitation.
Application 2: This also applies to cladding assemblies installed
on buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] where:
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Intent | Intent 1: To limit the probability of defects such as loose knots,
large holes, cross-grain areas or checks, which could lead to unevenness or
compromised structural integrity of the undercoursing, which could lead to
a reduction in the watertightness of shingle or shake cladding, which could
lead to precipitation ingress, which could lead to deterioration, which could
lead to structural failure, which could lead to harm to persons.
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