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9.26.8.1.(1) | Application | Intent |
OH1 | OS2 |
Objective | OS2 Structural Safety |
Attribution | |
Application | Application 1: Minimum coverage by 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 the inadequate performance of
roofing, with respect to moisture absorption, ultraviolet radiation and freeze-thaw
cycling, on low-slope roofs where drainage is comparatively slow, 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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