9.28.3.1.(1)

Objective

OS3 Safety in Use

Attribution

[F80-OS3.4]Applies where stucco is applied to masonry chimneys.

Intent

Intent 1:

To limit the probability of the premature failure of fasteners, which could lead to an inadequate bond between stucco and its substrate, which could lead to delamination or cracking under gravity, wind or impact loads, or freeze-thaw stresses.

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 leakage of carbon monoxide gas into living space, which could lead to the acute poisoning or asphyxiation of persons.

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