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9.28.6.5.(1) | Application | Intent |
| OH1 | OS2 | OS1 | OS3 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Dampening of the base (second coat) prior to the application
of the finish coat of stucco, on buildings to which
Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9].
Exceptions:
except for stone-dash finish coats.
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| Intent | Intent 1: To limit the probability that the base coat will extract
and absorb water from a relatively thin finish coat of stucco, which could
lead to negative effects on curing of the finish coat, which could lead to
an inadequate resistance to abrasion or freeze-thaw stresses, which could
lead to delamination. Where stucco is applied to masonry
chimneys, this is to limit the probability of precipitation or meltwater ingress,
which could lead to the premature failure of chimney liners, which could lead
to the escape of heat or flames, which could lead to the ignition of combustible
building components, which could lead to harm to persons.
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