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9.26.5.1.(1) | Application | Intent |
| OH1 | OS2 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: Eave protection for shingle, shake or tile roofs,
on buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions:
except as stated in Sentence 9.26.5.1.(2), which applies to
roofs where there is little probability of ice dam formation.
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| Intent | Intent 1: To limit the probability of inadequate protection of the
roof area where water is being retained near the eaves by ice dams or where
heat transferred through the ceiling below causes snow to melt and ice dams
to form. This is to limit the probability of precipitation
or meltwater ingress, 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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